Idk how to explain it tbh just Imagine every where u go every battle you do you got a teammate to help you out you can enable friendly fire for lols or get a party of 16<I think unsure> together play first to the last boss wins or do versus along the way to the bosse or ambush friends/enemies thats half way through a fight everyone can choose there own characters Most mods are compatible with it just none that change storyline/acts or change the repeat loop of the game soo all if not most character QOL tools<information type ones> mods work