The investigation eventually leads to a local gang of bandits. Rance 01:Walkthrough - AliceSoft Wiki - Miraheze
Missable: Talk to the Inn girl, Nami, repeatedly and use "Assault" twice to unlock an optional scene.
On the lower floor of the Thieves' Hideout, go straight from the center to enter the Leader's Room. Use the Spare Key to enter and fight Reihardt. He is only slightly stronger than Murala and should be an easy fight.
To get the best ending, you must prepare to fight the final boss, .
This area is filled with tough monsters, valuable treasure cards, and Dead Ends . Use the map-wrapping mechanic to your advantage—if you hit a dead end, move to the far-left or far-right side of the grid and continue moving forward. The map will "wrap around" and allow you to access previously unreachable columns of cards.
Use the found in the Storage room to break the wall on the 2nd floor and discover the truth about the tortured ghost girl.