Marathon Boss

4 vs. Satan:
*Harry has 20000 HP, most attacks give 100-500 HP damage.
*Jeremias has 26000 HP, most attacks give 100-500 HP damage.
*Satan has 35000 HP, most attacks give 100-800 HP damage.
*Master Knight has 50000 HP, most attacks give 100-800 HP damage.
Alex in Princess Quest:
*NONE
The Stone of Power:
*NONE
The Three Kingdoms
*NONE
Dragondawn
*The blue dragon has 9000 HP and is immune against most attacks.
Harter Knall
*NONE
Hero Story
*The God has 80000 HP.
Kill the Demons
*NONE
Satan Saga
*NONE
Story of Hero:
*NONE
The Legend of Devils
*Harry has once again 20000 HP.
*Satan has 135000 HP if you count all the battles. (85000 HP if you somehow reach him before your Party reaches level 90.)
The Sidestory Duology:
*Ravydion has 3500 HP. Unless you grid the group it'd take some time to beat this dude.
The Time Of Bloody Fear:
*Reika has 40000 HP.
*Maltros has 50000 HP.