Wow, 4 phases to a boss battle is quite impressive! The primary descriptors I felt for the 4 phases in order were exploratory, creepy, archaic/ominous, and then determined/vibing. Personally I felt the first three phases felt very cohesive and flowed very nicely. I like the fourth phase - the transition to a different style felt a little abrupt and I wonder if keeping the background bells would have aided in that transition? I think the third phase was my favorite! You dialed up the creepy factor to a new level on this track and I think this fits the character marvelously well. Great job and thank you for sharing!