Use arrow keys to move the heart, dodge everything! The HP Bar is a bit messed up, but you will die upon the 9th time you are hit by boi's bones! Basically, you will go through the yellow HP Bar in the game 3 times. This is like MajesticPie's "Undertale Boss Fight" game, but Papyrus-themed with more attacks that are more difficult to dodge, thus why you have more HP.
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