help improve my build please Beam/Regen

[BeowulfinIA]

I just got my first Sentinel to 20 and I want to start slotting him up.  This is the build I have.  I focused on Recharge, Regeneration and Hit Points.  Please let me know your thoughts. thanks.

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Angie O'Genesis: Level 50 Magic Sentinel
Primary Power Set: Beam Rifle
Secondary Power Set: Regeneration
Power Pool: Leaping
Power Pool: Fighting
Power Pool: Speed
Power Pool: Leadership

Hero Profile:
Level 1: Charged Shot

• (A) Devastation - Accuracy/Damage
• (3) Devastation - Accuracy/Damage/Endurance/Recharge
• (3) Devastation - Chance of Hold
• (5) Gladiator's Javelin - Accuracy/Damage
• (5) Gladiator's Javelin - Accuracy/Damage/End/Rech
• (7) Gladiator's Javelin - Chance of Damage(Toxic)
  

Level 1: Fast Healing

• (A) Miracle - Heal/Endurance
• (36) Miracle - Heal
• (42) Numina's Convalesence - Heal/Endurance
• (46) Numina's Convalesence - Heal
• (48) Miracle - +Recovery
  

Level 2: Reconstruction

• (A) Preventive Medicine - Heal
• (33) Preventive Medicine - Heal/Endurance
• (34) Preventive Medicine - Endurance/RechargeTime
• (34) Preventive Medicine - Heal/RechargeTime
• (34) Preventive Medicine - Heal/RechargeTime/Endurance
• (36) Preventive Medicine - Chance for +Absorb
  

Level 4: Cutting Beam

• (A) Positron's Blast - Accuracy/Damage
• (13) Positron's Blast - Damage/Recharge
• (15) Positron's Blast - Damage/Range
• (15) Positron's Blast - Accuracy/Damage/Endurance
• (17) Positron's Blast - Chance of Damage(Energy)
  

Level 6: Quick Recovery

• (A) Power Transfer - EndMod
• (11) Power Transfer - Chance to Heal Self
• (17) Performance Shifter - EndMod/Recharge
  

Level 8: Disintegrate

• (A) Superior Opportunity Strikes - Accuracy/Damage
• (19) Superior Opportunity Strikes - Accuracy/Damage/RechargeTime
• (21) Superior Opportunity Strikes - Accuracy/Damage/Endurance
• (21) Superior Opportunity Strikes - Accuracy/Damage/Endurance/RechargeTime
• (23) Superior Opportunity Strikes - RechargeTime/Chance for Opportunity
  

Level 10: Aim

• (A) Gaussian's Synchronized Fire-Control - To Hit Buff/Recharge
• (11) Gaussian's Synchronized Fire-Control - To Hit Buff/Recharge/Endurance
• (31) Gaussian's Synchronized Fire-Control - Chance for Build Up
  

Level 12: Instant Regeneration

• (A) Panacea - Heal/Endurance
• (13) Panacea - Endurance/Recharge
• (48) Panacea - Heal/Recharge
• (50) Panacea - Heal/Endurance/Recharge
• (50) Panacea - Heal
• (50) Panacea - +Hit Points/Endurance
  

Level 14: Lancer Shot

• (A) Apocalypse - Damage/Recharge
• (23) Apocalypse - Accuracy/Damage/Recharge
• (25) Apocalypse - Accuracy/Recharge
• (31) Apocalypse - Damage/Endurance
• (33) Apocalypse - Chance of Damage(Negative)
  

Level 16: Super Jump

• (A) HamiO:Microfilament Exposure
  

Level 18: Dismiss Pain

• (A) Numina's Convalesence - Heal
• (37) Numina's Convalesence - +Regeneration/+Recovery
• (48) Numina's Convalesence - Heal/Endurance
  

Level 20: Integration

• (A) Numina's Convalesence - Heal/Endurance
• (37) Numina's Convalesence - Heal
  

Level 22: Kick

• (A) HamiO:Nucleolus Exposure
  

Level 24: Tough

• (A) Titanium Coating - Resistance/Endurance
• (25) Titanium Coating - Resistance/Endurance/Recharge
• (42) Titanium Coating - Endurance
  

Level 26: Piercing Beam

• (A) Ragnarok - Damage
• (27) Ragnarok - Damage/Recharge
• (27) Ragnarok - Accuracy/Damage/Recharge
• (29) Ragnarok - Accuracy/Recharge
• (29) Ragnarok - Damage/Endurance
  

Level 28: Resilience

• (A) Titanium Coating - Resistance/Endurance
• (31) Titanium Coating - Resistance/Endurance/Recharge
• (33) Titanium Coating - Endurance
• (37) Unbreakable Guard - +Max HP
  

Level 30: Weave

• (A) Reactive Defenses - Scaling Resist Damage
• (43) Luck of the Gambler - Defense/Endurance
• (46) Luck of the Gambler - Defense/Increased Global Recharge Speed
  

Level 32: Overcharge

• (A) Superior Sentinel's Ward - Accuracy/Damage
• (40) Superior Sentinel's Ward - Damage/RechargeTime
• (40) Superior Sentinel's Ward - Accuracy/Damage/RechargeTime
• (40) Superior Sentinel's Ward - Accuracy/Damage/Endurance
• (43) Superior Sentinel's Ward - Accuracy/Damage/Endurance/RechargeTime
• (43) Superior Sentinel's Ward - RechargeTime/Chance for +Absorb
  

Level 35: Hasten

• (A) Recharge Reduction IO
• (36) Recharge Reduction IO
  

Level 38: Combat Jumping

• (A) Shield Wall - Defense/Endurance
• (39) Shield Wall - +Res (Teleportation), +5% Res (All)
• (39) Luck of the Gambler - Defense/Endurance
• (39) Luck of the Gambler - Defense/Increased Global Recharge Speed
  

Level 41: Maneuvers

• (A) Luck of the Gambler - Defense/Endurance
• (42) Luck of the Gambler - Defense/Increased Global Recharge Speed
  

Level 44: Cross Punch

• (A) Armageddon - Chance for Fire Damage
• (45) Armageddon - Accuracy/Damage/Recharge
• (45) Armageddon - Accuracy/Recharge
• (45) Armageddon - Damage/Endurance
• (46) Armageddon - Damage/Recharge
  

Level 47: Super Speed

• (A) HamiO:Microfilament Exposure
  

Level 49: Assault

• (A) Endurance Reduction IO
  

Level 1: Brawl

• (A) HamiO:Nucleolus Exposure
  

Level 1: Opportunity 

Level 1: Prestige Power Dash

[gib]

I have a Beam/Regen Sentinel as well, at 50, and I love playing it. I can give some recommendations based on what I've played:

You skipped Refractor Beam and I think that's a big mistake. It's the second best AoE attack the set has behind Overcharge. I personally hate Cutting Beam so I never use it and while Piercing Beam is OK, it's just really bad for hitting more than one target because its arc is so small.
Sentinels, for better or worse, I feel require heavy damage proc usage to have decent damage output. So you can definitely squeeze out more damage with some slotting adjustments.
Related to that is taking an Epic Power Pool, most or all of them have an attack(s) that can hold a lot of damage procs and can become your highest damage dealing attack.

 

Here's my build, it has a good single target rotation and plenty of easily applied AoE to shred groups.

 

Spoiler

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[BeowulfinIA]

Thanks.