With the heal-damage effect thing...

Moon Heal: 4 heal-attacks
Angel Light 1: 4 heal-attacks
Angel Light 2: 2 heal-attacks
Average damage per heal-attack: 100,000
Average enemy health at my level: 30,000
Average boss health: 100,000
Strongest boss health so far: 600,000 (still beat in one full turn)
My health: 100,000 counting my shield, plus 3 barriers that block hits