: Design a progression system where defeating bosses yields new sub-weapons (like origami or anti-demon tools) that open new navigational routes, similar to classic Metroidvania titles. System & Utility Features
: Develop a system where, if one character falls in combat, the player can navigate the survivor to the fallen sister's location to resuscitate her and continue the fight. tn-grimguardiansdemonpurge.iso
: Implement a seamless character-switching mechanic between sisters Shinobu (long-range submachine gun) and Maya (close-range sword). : Design a progression system where defeating bosses
: Include an unlockable mode for players to challenge all bosses consecutively after completing the main story. if one character falls in combat
: You may want to include "Pure" (Japanese) and "Refined" (English) audio options for story and action dialogue.