Rengoku 2: The Stairway to H.E.A.V.E.N. H.E.A.V.E.N.-A, -B and -C: After beating Gryphus on level 8, go back to the Primordium (level 0) and enter the door behind you after the intermission sequence. Highest H.E.A.V.E.N. floor: Beat all 99 H.E.A.V.E.N. levels.