Corr Build?

I have a Rad/Therm Corr and here is the build I'm thinking of. PLease feel free to comment.

Villain Plan by Mids' Villain Designer 1.401
http://www.cohplanner.com/

[u]Click this DataLink to open the build![u]

Level 50 Magic Corruptor
Primary Power Set: Radiation Blast
Secondary Power Set: Thermal Radiation
Power Pool: Flight
Power Pool: Fitness
Power Pool: Speed
Power Pool: Concealment
Ancillary Pool: Mace Mastery

Villain Profile:
Level 1: X-Ray Beam -- Dev'n-Acc/Dmg(A), Dev'n-Acc/Dmg/EndRdx/Rchg(45), Dev'n-Acc/Dmg/Rchg(46), Dev'n-Dmg/Rchg(46)
Level 1: Warmth -- Numna-Regen/Rcvry+(A), Numna-Heal(7), Numna-Heal/EndRdx(21), Numna-EndRdx/Rchg(25), Numna-Heal/Rchg(33), Numna-Heal/EndRdx/Rchg(33)
Level 2: Irradiate -- Armgdn-Dam%(A), Armgdn-Dmg/EndRdx(3), Armgdn-Acc/Rchg(3), Armgdn-Acc/Dmg/Rchg(5), Armgdn-Dmg/Rchg(5), Armgdn-Dmg(7)
Level 4: Cauterize -- Dct'dW-Heal(A), Dct'dW-Rchg(34), Dct'dW-Heal/EndRdx/Rchg(34), Dct'dW-Heal/Rchg(34), Dct'dW-EndRdx/Rchg(36), Dct'dW-Heal/EndRdx(36)
Level 6: Hover -- DefBuff-I(A)
Level 8: Proton Volley -- Apoc-Dam%(A), Apoc-Dmg/Rchg(9), Apoc-Dmg(9), Apoc-Dmg/EndRdx(11), Apoc-Acc/Dmg/Rchg(11), Apoc-Acc/Rchg(21)
Level 10: Swift -- Run-I(A)
Level 12: Aim -- AdjTgt-ToHit(A), AdjTgt-ToHit/EndRdx/Rchg(13), AdjTgt-ToHit/EndRdx(13), AdjTgt-ToHit/Rchg(15)
Level 14: Flurry -- Hectmb-Dam%(A), Hectmb-Dmg/EndRdx(15), Hectmb-Dmg(17), Hectmb-Dmg/Rchg(17), Hectmb-Acc/Dmg/Rchg(19), Hectmb-Acc/Rchg(19)
Level 16: Fly -- Frbd-EndRdx(A), Frbd-Fly(36), Frbd-Stlth(37)
Level 18: Power of the Phoenix -- Heal-I(A), RechRdx-I(37)
Level 20: Cosmic Burst -- Dev'n-Acc/Dmg(A), Dev'n-Acc/Dmg/EndRdx/Rchg(46), Dev'n-Dmg/Rchg(50), Dev'n-Acc/Dmg/Rchg(50)
Level 22: Health -- Dct'dW-Heal/EndRdx(A), Dct'dW-Heal/Rchg(23), Dct'dW-Heal/EndRdx/Rchg(23), Dct'dW-Heal(25)
Level 24: Super Speed -- Run-I(A)
Level 26: Neutron Bomb -- Ragnrk-Acc/Rchg(A), Ragnrk-Acc/Dmg/Rchg(27), Ragnrk-Dmg/Rchg(27), Ragnrk-Dmg(29), Ragnrk-Knock%(29), Ragnrk-Dmg/EndRdx(31)
Level 28: Stealth -- DefBuff-I(A)
Level 30: Stamina -- Efficacy-EndMod/Acc/Rchg(A), Efficacy-EndMod(31), Efficacy-EndMod/EndRdx(31), Efficacy-EndMod/Acc(33)
Level 32: Atomic Blast -- Oblit-Acc/Dmg/EndRdx/Rchg(A), Oblit-Dmg(43), Oblit-Dmg/Rchg(45), Oblit-Acc/Dmg/Rchg(45)
Level 35: Heat Exhaustion -- EndRdx-I(A), Acc-I(37), EndRdx-I(40)
Level 38: Melt Armor -- LdyGrey-Rchg/EndRdx(A), LdyGrey-DefDeb/Rchg/EndRdx(39), LdyGrey-%Dam(39), LdyGrey-DefDeb/EndRdx(39), LdyGrey-DefDeb/Rchg(40), LdyGrey-DefDeb(40)
Level 41: Web Envelope -- GravAnch-Hold%(A), GravAnch-Immob/EndRdx(42), GravAnch-Acc/Rchg(42), GravAnch-Acc/Immob/Rchg(42), GravAnch-Immob/Rchg(43), GravAnch-Immob(43)
Level 44: Scorpion Shield -- LkGmblr-Def(A), LkGmblr-Def/EndRdx(50)
Level 47: Focused Accuracy -- AdjTgt-ToHit(A), AdjTgt-ToHit/EndRdx/Rchg(48), AdjTgt-ToHit/Rchg(48), AdjTgt-ToHit/EndRdx(48)
Level 49: Web Cocoon -- Hold-I(A)
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Level 1: Brawl -- Empty(A)
Level 1: Sprint -- Empty(A)
Level 2: Rest -- Empty(A)
Level 1: Scourge