FF / Dark Common IO Build

How does this Force Field / Dark Blast Defender build look, using all level 50 common IO enhancements?

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Archetype: Defender
Primary: Force Field
Secondary: Dark Blast
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01: Personal Force Field => Buff_Defense(1), Recharge(3)
01: Dark Blast => Accuracy(1), Damage(3), Damage(7), Damage(33), EnduranceDiscount(40), Recharge(46)
02: Gloom => Accuracy(2), Damage(5), Damage(7), Damage(33), EnduranceDiscount(40), Recharge(48)
04: Deflection Shield => EnduranceDiscount(4), Buff_Defense(5), Buff_Defense(9), Buff_Defense(34)
06: Swift => SpeedRunning(6)
08: Insulation Shield => EnduranceDiscount(8), Buff_Defense(9), Buff_Defense(11), Buff_Defense(34)
10: Hover => SpeedFlying(10), SpeedFlying(11), SpeedFlying(31)
12: Dispersion Bubble => EnduranceDiscount(12), EnduranceDiscount(13), Buff_Defense(13), Buff_Defense(34), Buff_Defense(42)
14: Fly => SpeedFlying(14), SpeedFlying(15), SpeedFlying(15)
16: Tenebrous Tentacles => Accuracy(16), Damage(17), Immobilized(17), Range(36), EnduranceDiscount(43), Recharge(48)
18: Health => Heal(18), Heal(19), Heal(19)
20: Stamina => Recovery(20), Recovery(21), Recovery(21)
22: Night Fall => Accuracy(22), Damage(23), Damage(23), Range(37), EnduranceDiscount(43), Recharge(48)
24: Force Bolt => Accuracy(24), Knockback(25), Recharge(25)
26: Repulsion Bomb => Accuracy(26), Damage(27), Stunned(27), EnduranceDiscount(37), Recharge(43), Recharge(50)
28: Moonbeam => Interrupt(28), Accuracy(29), Recharge(29)
30: Maneuvers => EnduranceDiscount(30), Buff_Defense(31), Buff_Defense(31), Buff_Defense(37)
32: Force Bubble => EnduranceDiscount(32), EnduranceDiscount(33)
35: Life Drain => Accuracy(35), Damage(36), Heal(36), Heal(39), EnduranceDiscount(46), Recharge(50)
38: Tactics => EnduranceDiscount(38), Buff_ToHit(39), Buff_ToHit(39), Buff_ToHit(40)
41: Power Build Up => Recharge(41), Recharge(42), Recharge(42)
44: Temp Invulnerability => EnduranceDiscount(44), EnduranceDiscount(45), Res_Damage(45), Res_Damage(45), Res_Damage(46)
47: Assault => EnduranceDiscount(47)
49: Recall Friend => Interrupt(49), Recharge(50)

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+ Inherent Powers
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01: Brawl => Empty(1)
01: Sprint => Empty(1)
02: Rest => Empty(2)

On the Force Fields powers, it looks like Force Bubble is overslotted, take off one. Also, Force Bolt really doesn't need knockback in it, you could replace that with another recharge perhaps or move the slot somewhere else? Force Bolt is just fine with the one slot, and I wouldn't put anything other than one accuracy and as much recharge as you like in it.

Everything else looks fine from here.

I really like having recharge in Force Bubble. I find it very helpful to turn it off and then back on several seconds later in many circumstances, and the base 15 second recharge is just too long for that.

Moonbeam not slotted for damage seems underwhelming. I think I'd swap it out for Dark Pit.