SS/invuln build

Hi. Is this a good PvE build?

Villain Plan by Mids' Villain Designer 1.621
http://www.cohplanner.com/

Click this DataLink to open the build!

Shr'ike: Level 50 Magic Brute
Primary Power Set: Super Strength
Secondary Power Set: Invulnerability
Power Pool: Leaping
Power Pool: Fitness
Power Pool: Fighting
Power Pool: Speed

Villain Profile:
Level 1: Punch -- KntkC'bat-Acc/Dmg(A), KntkC'bat-Dmg/EndRdx(3), KntkC'bat-Dmg/Rchg(3), KntkC'bat-Dmg/EndRdx/Rchg(5), HO:Nucle(5)
Level 1: Resist Physical Damage -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(7), RctvArm-ResDam(11), RctvArm-ResDam/EndRdx/Rchg(48)
Level 2: Haymaker -- KntkC'bat-Acc/Dmg(A), KntkC'bat-Dmg/EndRdx(7), KntkC'bat-Dmg/Rchg(9), KntkC'bat-Dmg/EndRdx/Rchg(9), HO:Nucle(11)
Level 4: Temp Invulnerability -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(13), RctvArm-ResDam/EndRdx/Rchg(13), RctvArm-ResDam(15), GA-3defTpProc(29)
Level 6: Dull Pain -- Dct'dW-Heal/EndRdx(A), Dct'dW-EndRdx/Rchg(15), Dct'dW-Heal/Rchg(17), Dct'dW-Heal/EndRdx/Rchg(17), Dct'dW-Heal(19), Dct'dW-Rchg(19)
Level 8: Knockout Blow -- KntkC'bat-Acc/Dmg(A), KntkC'bat-Dmg/EndRdx(21), KntkC'bat-Dmg/Rchg(21), KntkC'bat-Dmg/EndRdx/Rchg(23), Hectmb-Acc/Dmg/Rchg(23), Hectmb-Dam%(25)
Level 10: Combat Jumping -- LkGmblr-Rchg+(A)
Level 12: Swift -- Run-I(A)
Level 14: Super Jump -- Jump-I(A)
Level 16: Unyielding -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(25), RctvArm-ResDam/EndRdx/Rchg(27), RctvArm-ResDam(27)
Level 18: Health -- Numna-Regen/Rcvry+(A), Mrcl-Rcvry+(29), RgnTis-Regen+(46), Panac-Heal/+End(50)
Level 20: Stamina -- P'Shift-EndMod(A), P'Shift-EndMod/Rchg(31), P'Shift-EndMod/Acc/Rchg(31), P'Shift-EndMod/Acc(31), P'Shift-End%(46)
Level 22: Rage -- AdjTgt-ToHit(A), AdjTgt-ToHit/Rchg(33), AdjTgt-ToHit/EndRdx/Rchg(33), AdjTgt-EndRdx/Rchg(33), AdjTgt-Rchg(34)
Level 24: Boxing -- Dsrnt-I(A)
Level 26: Tough -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(34), RctvArm-ResDam/EndRdx/Rchg(34), RctvArm-ResDam(36)
Level 28: Invincibility -- LkGmblr-Rchg+(A), LkGmblr-Def/EndRdx(36), LkGmblr-Def/Rchg(36), LkGmblr-Def(37), LkGmblr-Def/EndRdx/Rchg(37)
Level 30: Hasten -- RechRdx-I(A), RechRdx-I(37), RechRdx-I(39)
Level 32: Foot Stomp -- Armgdn-Dmg(A), Armgdn-Dmg/Rchg(39), Armgdn-Acc/Dmg/Rchg(39), Armgdn-Acc/Rchg(40), Armgdn-Dmg/EndRdx(40), Armgdn-Dam%(40)
Level 35: Tough Hide -- SW-ResDam/Re TP(A), SW-Def/EndRdx(42), SW-Def/Rchg(42), SW-Def(50)
Level 38: Weave -- LkGmblr-Rchg+(A), LkGmblr-Def/EndRdx(45), LkGmblr-Def/Rchg(45), LkGmblr-Def(46)
Level 41: Taunt -- Zinger-Taunt(A), Zinger-Taunt/Rchg(42), Zinger-Taunt/Rchg/Rng(43), Zinger-Acc/Rchg(43), Zinger-Taunt/Rng(43), Zinger-Dam%(45)
Level 44: Resist Elements -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(48), RctvArm-ResDam/EndRdx/Rchg(48), RctvArm-ResDam(50)
Level 47: Resist Energies -- S'fstPrt-ResDam/Def+(A)
Level 49: Super Speed -- HO:Micro(A)
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Level 1: Brawl -- Empty(A)
Level 1: Sprint -- Empty(A)
Level 2: Rest -- Empty(A)
Level 1: Fury
Level 4: Ninja Run

Okay, I have not put this in Mids, so I will just ask you. How is it for end issues?

Well it has better recovery than my live build; 3.4 end/sec and 1.05 end/sec drain in this build vs 3.26 and 1.11 currently. And I'm fine with my end on live