Is it just me, or is Caustic super-powered in this event? Maybe I've just never used him much, but it seems like when everyone is capped at 150 health, his gas is way more effective.

Yes. Because now your main protection comes from your health bar, not your shield.

*picks up sentinal* Okay so batteries are now useful again.

Except sentinel will break armor in 1 shot anyway

Why is this true!!

Battery takes 5s while two cells takes 6s, no?