Haunt

The Haunt faded into existence, summoning three of its followers which attacked Isaac in turn, preventing him from attacking the Haunt. As soon as the last ghost dissipated, the Haunt opened it's giant mouth and pulled the skin on its face back, revealing a huge glaring skull. The Haunt Glided back and forth on the wall, spewing blood left and right, trying to hit Isaac who dodged nimbly. As the Haunt's health dwindled, its eyes and mouth glowed red. Isaac immediately thought of his paper and began saying SHOOP DA WHOOP over and over in his mind.
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They fired simultaneously.