You are a scientist who is studying alien viruses and parasites. You hold a vile of molten magma. It breaks from its vile and leaps into your mouth crawling down your throat. You hear a tiny voice from the inside. It sounded female and possessive

Mmm… YES YES YES!!! Finally a body!!! You’re all mine!!!

you feel extremely hot. Molten lava and molten rock start forming on your flesh