Two L50 'basic' IOs will run you into the early stages of ED. I never use more than that, personally, except in Health or Stamina where every little bit is desperately needed. Even for them, three is the most that's reasonable.
Resist Energies is, IMHO, worth having. Three slots in all of the auto-resists, two for 'real' resistance and one for Impervium Armor: Psi Resist. Five in Unyielding and Temporary Invulnerability. I'd use sets in the latter - your choice balancing cost and result - but ordinary IOs should be fine, split evenly between Resist and Endurance, with the fifth slot going to another two Psi Resists. Tough Hide gets two pure defenses unless you luck across some valuable Defense Set unique like LotG's recharge reduction one, in which case, add the needed slot. Invincibility... your current slotting would work, actually, though personally I'd go with two Ends rather than having a recharge in there.
Super Speed should be easy enough to keep; Brightsky has Flight and Fighting, after all, though admittedly I've passed on Cobra Strike, Focus Chi and Unstoppable.
Basically, shift slots from attacks to defenses, then IOs all around, would be my advice.
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"V, did you do something foolish?"
"Yes, and it was glorious."
Resist Energies is, IMHO, worth having. Three slots in all of the auto-resists, two for 'real' resistance and one for Impervium Armor: Psi Resist. Five in Unyielding and Temporary Invulnerability. I'd use sets in the latter - your choice balancing cost and result - but ordinary IOs should be fine, split evenly between Resist and Endurance, with the fifth slot going to another two Psi Resists. Tough Hide gets two pure defenses unless you luck across some valuable Defense Set unique like LotG's recharge reduction one, in which case, add the needed slot. Invincibility... your current slotting would work, actually, though personally I'd go with two Ends rather than having a recharge in there.
Super Speed should be easy enough to keep; Brightsky has Flight and Fighting, after all, though admittedly I've passed on Cobra Strike, Focus Chi and Unstoppable.
Basically, shift slots from attacks to defenses, then IOs all around, would be my advice.
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===============================================
"V, did you do something foolish?"
"Yes, and it was glorious."