Games like Rengoku II: The Stairway to H.E.A.V.E.N.

If you finished Rengoku II: The Stairway to H.E.A.V.E.N., the closest matches are Astral Chain, Children of Morta, Pikuniku, Warhammer: Chaosbane and Vagante. All 6 share its adventure genre and are ranked by how closely their themes and modes overlap.