dark/thermal corrupter

Hey Krog, I think dark/thermal will work fine. I drafted a build that you might want to check (I didn't spend too much time on the slots).

Level 50 Magic Corruptor
Primary Power Set: Dark Blast
Secondary Power Set: Thermal Radiation
Power Pool: Speed
Power Pool: Fitness
Ancillary Pool: Soul Mastery

Villain Profile:
Level 1: Gloom -- Acc-I:50(A), Dmg-I:50(3), Dmg-I:50(3), Dmg-I:50(17), RechRdx-I:50(17), EndRdx-I:50(37)
Level 1: Warmth -- Heal-I:50(A), Heal-I:50(11), Heal-I:50(11), RechRdx-I:50(31), RechRdx-I:50(34), RechRdx-I:50(40)
Level 2: Fire Shield -- ResDam-I:50(A), ResDam-I:50(15)
Level 4: Dark Blast -- Acc-I:50(A), Dmg-I:50(5), Dmg-I:50(5), Dmg-I:50(19), RechRdx-I:50(25), EndRdx-I:50(37)
Level 6: Cauterize -- Heal-I:50(A), Heal-I:50(7), Heal-I:50(7), RechRdx-I:50(31), RechRdx-I:50(31), RechRdx-I:50(37)
Level 8: Hasten -- RechRdx-I:50(A), RechRdx-I:50(9), RechRdx-I:50(9)
Level 10: Plasma Shield -- ResDam-I:50(A), ResDam-I:50(15)
Level 12: Night Fall -- Acc-I:50(A), Dmg-I:50(13), Dmg-I:50(13), Dmg-I:50(19), RechRdx-I:50(25), EndRdx-I:50(36)
Level 14: Super Speed -- Run-I:50(A)
Level 16: Swift -- Run-I:50(A)
Level 18: Health -- Heal-I:50(A)
Level 20: Stamina -- EndMod-I:50(A), EndMod-I:50(21), EndMod-I:50(21)
Level 22: Tenebrous Tentacles -- Acc-I:50(A), Dmg-I:50(23), Dmg-I:50(23), Dmg-I:50(43), ToHitDeb-I:50(43), ToHitDeb-I:50(43)
Level 24: Thaw -- ResDam-I:50(A)
Level 26: Life Drain -- Acc-I:50(A), Dmg-I:50(27), Dmg-I:50(27), Dmg-I:50(42), Heal-I:50(46)
Level 28: Forge -- RechRdx-I:50(A), RechRdx-I:50(29), ToHit-I:50(29), ToHit-I:50(50)
Level 30: Power of the Phoenix -- RechRdx-I:50(A)
Level 32: Blackstar -- Dmg-I:50(A), Dmg-I:50(33), Dmg-I:50(33), RechRdx-I:50(33), RechRdx-I:50(34), RechRdx-I:50(34)
Level 35: Heat Exhaustion -- Acc-I:50(A), RechRdx-I:50(36), RechRdx-I:50(36)
Level 38: Melt Armor -- Acc-I:50(A), RechRdx-I:50(39), RechRdx-I:50(39), RechRdx-I:50(39), DefDeb-I:50(40), DefDeb-I:50(40)
Level 41: Dark Pit -- Acc-I:50(A), Dsrnt-I:50(42), Dsrnt-I:50(42)
Level 44: Soul Drain -- Acc-I:50(A), Dmg-I:50(45), Dmg-I:50(45), Dmg-I:50(45), RechRdx-I:50(46), RechRdx-I:50(46)
Level 47: Soul Storm -- Acc-I:50(A), Dmg-I:50(48), Dmg-I:50(48), Dmg-I:50(48), Hold-I:50(50), Hold-I:50(50)
Level 49: Summon Mistress -- Dmg-I:50(A)
------------
Level 1: Brawl -- Acc-I:50(A)
Level 1: Sprint -- Run-I:50(A)
Level 2: Rest -- RechRdx-I:50(A)
Level 1: Scourge
------------

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Ah, if you like to, I'm sure it's possible to skip an epic power. Sometimes it's certainly useful.

And I usually try to pick SS and a vertical travel power, but didn't do that for this more generic build.