You forgot to heal Barret. I'll just hurt Reeve. I second that -150 HP to each remaining character, so I won't heal anyone.

Barret:420
Cid:420
Cloud:420
Nanaki:420
Reeve:90
Reno:420
Rude:90
Rufus:420
Sephiroth:420
Tifa:420
Vincent:420
Zack:420