The game tracks several hidden and visible stats that dictate which ending you receive:
Rising Karma (gained through "bad" actions like prostitution) generally leads toward darker or "corruption" endings. Treasure.Hunter.Claire.rar
Use "Ero-skills" to drain enemy MP. Inflicting the Bliss status acts as a three-turn stun, which is essential for harder mobs. The game tracks several hidden and visible stats
Keep Milith in your party as much as possible; she is your primary multi-healing member. Treasure.Hunter.Claire.rar
Requires Karma below 15 , all allies at max affection (level 5), and defeating the Angel Boss before the final encounter.