Help finding a manwha

Regressor MC, weak af becomes an alchemist later in story.
“Real” MC is some freak swordsman who is also a regressor.
Beginning of story, a bunch of people get transported into a dungeon or sum, have to survive, “real” mc creates a camp and gives ppl food. Actual mc becomes friendly w/ super strong mage girl who is so obsessed with him she literally goes crazy. They get out of dungeon and there’s 3 kingdoms or sum. “Real” mc was the leader of the kingdom/guild(??) they got picked up by in the past. MC goes to another kingdom secretly to get some hottie red haired lady’s help. Later goes to some other city to pick up another black haired hottie who’s a corrupted priest. And then does alchemy and stuff.