D&D - Spirits and Dimensions DLC

First of all, it’s important to know that time-wise, D&D Advanced happens before the first D&D. One character can prove this in Post-Game Scenario
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This Time the story starts almost the same at benjamim’s Cellar. But now it was merged with another dimension, while our 4 heroes were exploring, they met with a egomaniac man called “Solomon Steel” which use his minion to steal the vital force of our heroes and creates dead-dark versions of our heroes as servants. In Spirit realm, the 4 heroes join with heroic spirits to get temporary bodies and powers in order to defeat solomon steel, get their bodies back and have a great adventure by the bless of the FSM.