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Posted (edited)

...is not knowing where to place it. I’d like to help in this quick guide.  The goal with the tables below isn't to say "Slot your Critical Strikes HERE!".  This is simply to make where you decide to slot your ATO an informed decision.

 

 

 

When the Critical Strikes enhancement goes off, you will have 3.25 4.25 seconds of guaranteed crits. So make sure you slot you should consider slotting this in a power where the effect activates as close to the end of the power’s animation as possible.

 

By subtracting a power’s (A)Time Before Effect from (A)Cast Time, you’ll find how much time you have to wait before using your next attack. Subtract that number from the 4.25 seconds of Critical Strikes’ duration, and you'll find that power's "Crit Window".  (A) means the seconds listed are adjusted for Arcanatime!

 

Crit Windows have been calculated in the attached a tables for each Scrapper primary.  They are sorted by largest Crit Window, so the top 2 or 3 powers in each set will probably be good candidates to slot this ATO (within reason, there's a good argument for putting it in AoE powers that don't necessarily have a large Crit Window)

 

 

Battle Axe

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Battle Axe Beheader 1.188 0.66 0.528 3.722
Battle Axe Chop 1.452 0.792 0.66 3.59
Battle Axe Swoop 1.584 0.924 0.66 3.59
Battle Axe Gash 1.452 0.66 0.792 3.458
Battle Axe Cleave 2.508 1.32 1.188 3.062
Battle Axe Pendulum 2.244 1.056 1.188 3.062
Battle Axe Axe Cyclone 2.244 0.66 1.584 2.666

Broad Sword

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Broadsword Hack 1.584 0.792 0.792 3.458
Broadsword Parry 1.584 0.66 0.924 3.326
Broadsword Slash 1.584 0.66 0.924 3.326
Broadsword Disembowel 1.98 0.924 1.056 3.194
Broadsword Head Splitter 2.508 1.32 1.188 3.062
Broadsword Slice 2.244 1.056 1.188 3.062
Broadsword Whirling Sword 2.904 1.32 1.584 2.666

Claws

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Claws Follow up 1.056 0.66 0.396 3.854
Claws Swipe 1.056 0.66 0.396 3.854
Claws Shockwave 1.188 0.792 0.396 3.854
Claws Eviscerate 2.508 1.848 0.66 3.59
Claws Focus 1.32 0.66 0.66 3.59
Claws Strike 1.32 0.66 0.66 3.59
Claws Slash 1.584 0.66 0.924 3.326
Claws Spin 2.64 1.32 1.32 2.93

Dark Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Dark Melee Dark Consumption 1.188 0.924 0.264 3.986
Dark Melee Shadow Punch 1.056 0.66 0.396 3.854
Dark Melee Smite 1.188 0.66 0.528 3.722
Dark Melee Soul Drain 2.508 1.848 0.66 3.59
Dark Melee Siphon Life 2.112 0.924 1.188 3.062
Dark Melee Touch of Fear 2.112 0.924 1.188 3.062
Dark Melee Midnight Grasp 2.244 0.66 1.584 2.666
Dark Melee Shadow Maul 2.508 0.528 1.98 2.27

Dual Blades

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Dual Blades Nimble Slash 1.188 0.66 0.528 3.722
Dual Blades Ablating Strike 1.188 0.528 0.66 3.59
Dual Blades Blinding Feint 1.452 0.66 0.792 3.458
Dual Blades Sweeping Strike 1.452 0.66 0.792 3.458
Dual Blades Power Slice 1.584 0.66 0.924 3.326
Dual Blades Typhoon’s Edge 2.508 0.66 1.848 2.402
Dual Blades Vengeful Slice 2.64 0.66 1.98 2.27
Dual Blades One Thousand Cuts 3.432 0.66 2.772 1.478

Electrical Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Electric Melee Charged Brawl 1.056 0.66 0.396 3.854
Electric Melee Jacobs Ladder 1.848 1.452 0.396 3.854
Electric Melee Lightning Clap 1.452 0.924 0.528 3.722
Electric Melee Chain Induction 1.188 0.66 0.528 3.722
Electric Melee Havoc Punch 1.716 0.924 0.792 3.458
Electric Melee Thunder Strike 2.772 1.848 0.924 3.326
Electric Melee Lightning Rod 2.772 1.056 1.716 2.534

Energy Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Energy Melee Energy Punch 1.056 0.66 0.396 3.854
Energy Melee Power Crash 1.98 1.584 0.396 3.854
Energy Melee Energy Transfer 2.904 2.376 0.528 3.722
Energy Melee Bone Smasher 1.452 0.792 0.66 3.59
Energy Melee Total Focus 2.772 1.848 0.924 3.326
Energy Melee Barrage 1.584 0.66 0.924 3.326
Energy Melee Whirling Hands 2.64 1.32 1.32 2.93

Fiery Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Fiery Melee Greater Fire Sword 1.584 1.32 0.264 3.986
Fiery Melee Scorch 1.188 0.66 0.528 3.722
Fiery Melee Cremate 1.716 0.924 0.792 3.458
Fiery Melee Fire Sword 1.584 0.66 0.924 3.326
Fiery Melee Incinerate 1.848 0.924 0.924 3.326
Fiery Melee Breath of Fire 2.904 1.32 1.584 2.666
Fiery Melee Fire Sword Circle 2.904 1.32 1.584 2.666

Ice Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Ice Melee Freezing Touch 1.188 0.66 0.528 3.722
Ice Melee Ice Patch 1.716 1.056 0.66 3.59
Ice Melee Frozen Fists 1.584 0.66 0.924 3.326
Ice Melee Ice Sword 1.584 0.66 0.924 3.326
Ice Melee Greater Ice Sword 2.508 1.32 1.188 3.062
Ice Melee Frozen Aura 2.244 0.924 1.32 2.93
Ice Melee Frost 2.508 0.924 1.584 2.666

Katana

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Katana Gambler’s Cut 0.924 0.528 0.396 3.854
Katana Divine Avalanche 1.584 1.056 0.528 3.722
Katana Flashing Steel 1.32 0.792 0.528 3.722
Katana Sting of the Wasp 1.32 0.792 0.528 3.722
Katana Soaring Dragon 1.584 0.792 0.792 3.458
Katana Golden Dragonfly 1.98 1.056 0.924 3.326
Katana The Lotus Drops 1.98 0.924 1.056 3.194

Kinetic Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Kinetic Melee Smashing Blow 1.452 1.32 0.132 4.118
Kinetic Melee Body Blow 1.32 1.188 0.132 4.118
Kinetic Melee Repulsing Torrent 2.244 1.98 0.264 3.986
Kinetic Melee Focused Burst 2.244 1.848 0.396 3.854
Kinetic Melee Quick Strike 1.056 0.66 0.396 3.854
Kinetic Melee Concentrated Strike 3.036 2.64 0.396 3.854
Kinetic Melee Burst 2.904 2.244 0.66 3.59

Martial Arts

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Martial Arts Storm Kick 1.056 0.66 0.396 3.854
Martial Arts Thunder Kick 1.056 0.66 0.396 3.854
Martial Arts Crippling Axe Kick 1.848 1.188 0.66 3.59
Martial Arts Dragon’s Tail 1.716 0.66 1.056 3.194
Martial Arts Cobra Strike 1.848 0.792 1.056 3.194
Martial Arts Crane Kick 1.848 0.66 1.188 3.062
Martial Arts Eagle’s Claw 2.772 1.452 1.32 2.93

Psionic Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Psionic Melee Mental Strike 1.188 0.528 0.66 3.59
Psionic Melee Psi Blade 1.584 0.792 0.792 3.458
Psionic Melee Greater Psi Blade 2.64 1.848 0.792 3.458
Psionic Melee Telekinetic Blow 1.716 0.792 0.924 3.326
Psionic Melee Psi Blade Sweep 1.98 1.056 0.924 3.326
Psionic Melee Boggle 2.244 1.188 1.056 3.194
Psionic Melee Mass Levitate 2.64 1.584 1.056 3.194

Radiation Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Radiation Melee Contaminated Strike 1.056 0.66 0.396 3.854
Radiation Melee Proton Sweep 1.848 1.452 0.396 3.854
Radiation Melee Devastating Blow 2.904 2.376 0.528 3.722
Radiation Melee Fusion 1.32 0.66 0.66 3.59
Radiation Melee Radioactive Smash 1.716 0.924 0.792 3.458
Radiation Melee Radiation Siphon 2.376 1.452 0.924 3.326
Radiation Melee Atom Smasher 3.168 1.98 1.188 3.062

Savage Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Savage Melee Savage Strike 1.056 0.396 0.66 3.59
Savage Melee Maiming Slash 1.32 0.66 0.66 3.59
Savage Melee Savage Leap 1.32 0.528 0.792 3.458
Savage Melee Vicious Slash 1.848 0.66 1.188 3.062
Savage Melee Hemorrhage 2.244 0.924 1.32 2.93
Savage Melee Shred 2.376 0.528 1.848 2.402
Savage Melee Rending Flurry 2.376 0.396 1.98 2.27

Spines

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Spines Barb Swipe 1.056 0.66 0.396 3.854
Spines Ripper 2.508 1.848 0.66 3.59
Spines Impale 2.64 1.584 1.056 3.194
Spines Lunge 1.848 0.66 1.188 3.062
Spines Throw Spines 1.848 0.66 1.188 3.062
Spines Spine Burst 3.168 1.848 1.32 2.93

Staff Fighting

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Staff Fighting Precise Strike 1.32 0.792 0.528 3.722
Staff Fighting Serpent’s Reach 1.98 1.32 0.66 3.59
Staff Fighting Mercurial Blow 1.188 0.528 0.66 3.59
Staff Fighting Guarded Spin 1.98 0.396 1.584 2.666
Staff Fighting Innocuous Strikes 2.376 0.528 1.848 2.402
Staff Fighting Sky Splitter 3.036 1.188 1.848 2.402
Staff Fighting Eye of the Storm 2.772 0.396 2.376 1.874

Stone Melee

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Stone Melee Stone Fist 1.056 0.66 0.396 3.854
Stone Melee Hurl Boulder 2.64 2.112 0.528 3.722
Stone Melee Seismic Smash 1.716 0.924 0.792 3.458
Stone Melee Tremor 2.772 1.848 0.924 3.326
Stone Melee Stone Mallet 1.848 0.924 0.924 3.326
Stone Melee Heavy Mallet 1.848 0.924 0.924 3.326
Stone Melee Fault 2.244 0.792 1.452 2.798

Street Justice

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Street Justice Initial Strike 1.056 0.396 0.66 3.59
Street Justice Heavy Blow 1.32 0.66 0.66 3.59
Street Justice Shin Breaker 1.584 0.792 0.792 3.458
Street Justice Rib Cracker 1.584 0.66 0.924 3.326
Street Justice Sweeping Cross 1.848 0.924 0.924 3.326
Street Justice Crushing Uppercut 2.376 1.056 1.32 2.93
Street Justice Spinning Strike 1.98 0.528 1.452 2.798

Titan Weapons

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
Titan Weapons Crushing Blow 2.244 2.112 0.132 4.118
Titan Weapons Titan Sweep 2.64 2.508 0.132 4.118
Titan Weapons Rend Armor 2.508 2.376 0.132 4.118
Titan Weapons Whirling Smash 1.188 1.056 0.132 4.118
Titan Weapons Defensive Sweep 2.376 2.244 0.132 4.118
Titan Weapons Arc of Destruction 2.904 2.64 0.264 3.986
Titan Weapons Follow Through 1.32 1.056 0.264 3.986

War Mace

Quote
Powerset Power (A)Cast Time (A)Time Before Effect Time After Effect Crit Window
War Mace Clobber 1.452 0.792 0.66 3.59
War Mace Bash 1.584 0.66 0.924 3.326
War Mace Pulverize 1.716 0.66 1.056 3.194
War Mace Jawbreaker 1.98 0.924 1.056 3.194
War Mace Shatter 2.508 1.32 1.188 3.062
War Mace Crowd Control 2.244 1.056 1.188 3.062
War Mace Whirling Mace 2.904 1.32 1.584 2.666

Now that you know which powers will give you the most time out of Critical Strikes, it’s time to discover what attack chain you can use in the Crit Window.

 

To calculate this, add the (A)Cast Time for every power but the last in your chain - that number should be the (A)Time Before Effect. Because no attacks follow this one, there is no need to account for it’s entire animation time.

 

Examples:

A two-power chain formula would be: (A)Cast Time for Power 1+ (A)Time Before Effect for Power 2.

A three-power chain would be: (A)Cast Time for Power 1+ (A)Cast Time for Power 2+ (A)Time Before Effect on Power 3.

 

If that total is less than the Crit Window, then your post-proc attack chain is likely maximizing the benefit of the Critical Strikes ATO!  Adjust to DPS tastes, and you're golden.*

 

*As Yomo Kimyata pointed out, don't be discouraged from slotting into an AoE, even if its Crit Window is small.  Hitting multiple targets gives your proc another chance of activating.  Even if you can only toss out one attack during your Crit Window, you could potentially have a lot more windows.

 

 

 

 

More knowledgeable folks, feel free to chime in and correct me on any gaps or misconceptions. This little project started simply because I wanted to find the best place for the ATO on my Broadsword wielder. Then I realized this information would be really helpful organized like this.

 

Enjoy!

 

Edit: @Maelwys, I hope I used your feedback correctly.  Frankly, I made these tables because all of this is deeply confusing for me.  Gonna keep trying...

Edit 2: @Yomo Kimyata noted that these tables don't tell the whole story because AoE's can be a good place for Critical Strikes.

Edited by The Trouble
Clarified the goal of this post: Making an informed choice.
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Posted
10 hours ago, The Trouble said:

When the Critical Strikes enhancement goes off, you will have 3.25 seconds of guaranteed crits. So make sure you slot this in a power where the effect activates as close to the end of the power’s animation as possible.

 

By subtracting a power’s effect activation time from it’s casting time (Arcana adjusted), you’ll find how much time you have to wait before using your next attack. Subtract that number from the 3.25 seconds of Critical Strikes’ duration, and you'll find that power's "Crit Window".

 

...

 

More knowledgeable folks, feel free to chime in and correct me on any gaps or misconceptions.


(i) It's not 3.25s. It's 4.25s. (3.25 plus 0.5s ATBE for the IO plus another 0.5s ATBE for the set bonus)
(ii) There's another Arcanatime roundup that you're missing: you need to round the power that the ATO is slotted in's ATBE up for Arcanatime as well.

So the available buff time window for Scrapper ATO2 is the Slotted Attack's Arcanatime minus its ATBE rounded up for Arcanatime, plus 4.25 seconds.

Then after you work that out you indeed need to figure out how to get as much damage out of that narrow window as possible (via fitting in one or two low-arcanatime-high-DPA attacks and finishing up with a very low-ATBE-high-DPA attack; which seems to be what you're trying to accomplish here!) 👍


Full details/testing here:

 

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Posted (edited)
On 8/2/2025 at 2:31 AM, Maelwys said:


(i) It's not 3.25s. It's 4.25s. (3.25 plus 0.5s ATBE for the IO plus another 0.5s ATBE for the set bonus)
(ii) There's another Arcanatime roundup that you're missing: you need to round the power that the ATO is slotted in's ATBE up for Arcanatime as well.

So the available buff time window for Scrapper ATO2 is the Slotted Attack's Arcanatime minus its ATBE rounded up for Arcanatime, plus 4.25 seconds.

Then after you work that out you indeed need to figure out how to get as much damage out of that narrow window as possible (via fitting in one or two low-arcanatime-high-DPA attacks and finishing up with a very low-ATBE-high-DPA attack; which seems to be what you're trying to accomplish here!) 👍


Full details/testing here:

 

Thanks for linking that thread.  I literally searched multiple ways to find similar topics, yet this one never showed up.  I'll brush up my Search-Fu.

Going to update my tables with this important feedback as soon as I have the mental capacity*, but at least they already help identify what powers should be considered for the ATO.

 

Deeply appreciate the help!

 

*Tables updated

Edited by The Trouble
Tables got updated
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Posted
14 hours ago, Uncle Shags said:

Edit: I'm curious about the numbers for TW when in momentum. 

Me too!  Updating my spreadsheet for that will take some noodle-scratching.  I'm starting to feel like I jumped into the deep end of the pool with my boots on. 🙂

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Posted

The fact you included TBE AND TBA is really nice. Thank you for your work on this. Those two numbers combined = AT obviously, still really nice that someone already did the math. Like, the TBE and TBA on Midnight Grasp makes putting the ATO2 there just silly. Then at the other end of the spectrum is Conc Strike. Really good chance for ATO2 to go off there and a really good window for when it does. 

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Posted
18 hours ago, The Trouble said:

Edit: @Maelwys, I hope I used your feedback correctly.  Frankly, I made these tables because all of this is deeply confusing for me.  Gonna keep trying...

 

Thanks to both of you for this.

 

@The Trouble I'm going to suggest you also look into scrapper secondaries as well.  On that note, remember that the Crit Strikes proc only needs to go off once, so that when it is in a power that affects more than one target, the effective chance to trigger goes up.  Example: you are looking at a choice between a single target attack that triggers at 75% probability, or you are looking at an AoE that can affect up to five targets at 50% probability (assuming 100% chance to hit for simplicity).  If you are fighting one target, the first choice seems obvious to maximize chances of the proc triggering.  But let's say there are three targets in close proximity.  The AoE power can trigger zero, one, two, or three times, but we only care that it triggers at least once.  So the odds of it NOT triggering at all is 0.5*0.5*0.5 = 12.5% and there is a 87.5% chance that it triggers at least once.

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Who run Bartertown?

 

Posted
45 minutes ago, Yomo Kimyata said:

 

Thanks to both of you for this.

 

@The Trouble I'm going to suggest you also look into scrapper secondaries as well.  On that note, remember that the Crit Strikes proc only needs to go off once, so that when it is in a power that affects more than one target, the effective chance to trigger goes up.  Example: you are looking at a choice between a single target attack that triggers at 75% probability, or you are looking at an AoE that can affect up to five targets at 50% probability (assuming 100% chance to hit for simplicity).  If you are fighting one target, the first choice seems obvious to maximize chances of the proc triggering.  But let's say there are three targets in close proximity.  The AoE power can trigger zero, one, two, or three times, but we only care that it triggers at least once.  So the odds of it NOT triggering at all is 0.5*0.5*0.5 = 12.5% and there is a 87.5% chance that it triggers at least once.

I very passively addressed the issues like multiple targets when I said things like "probably be good candidates to slot this ATO (within reason)".  My hope was to give folks a direction to look in, rather than recommend powers to use outright. Many thanks for addressing such a meaningful component missing from these tables!  Directly related: Even though the Crit Window is pretty small for Broadsword's Slice, that's where I'm currently slotting the proc.  So yeah, your observation is important enough that I should include it in the first post unambiguously.

 

Including secondaries feels prohibitively daunting for now.  Consolidating this data burned me out 🤷‍♂️

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Posted

You should be factoring in proc chance some how.

 

For example, Beheader only has a 28% chance to proc, while Swoop has a 74%.

 

Not to mention Beheader is garbage and should never be used, while Swoop is your best attack.

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Posted
57 minutes ago, DarknessEternal said:

You should be factoring in proc chance some how.

Well, crap.  You are correct.  

 

I'll update the tables to include regular and superior Critical Strikes proc chances as soon as my brain will allow.  Thank you.

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