Peter's outburst interrupts you before more than a couple mushrooms can grow, causing you to blink and look up at the man. He's on the ground now, next to the luxere, surprisingly close to you given his prior distance. What an unexpected turn of events.
It takes you a moment to realize he's asking about the mushrooms. When you do you drop your hand, letting it fall away from Apricum. Sitting back on your heels, you bend over to peer at the little fungi that have sprouted up between the undead creature's ribs. "I didn't do it- well. I kinda did. Things grow around me a lot, but only if they can. An' dead tissue is usually a real good foundation for fungal growth."
Scooting over to improve your view, you continue your inspection of the skeleton. "So it can sustain life an' growth, despite maybe not bein' alive itself. That's fascinatin'. You're a fascinatin' thing, Apricum." The tone of your voice indicates clearly your delight in this assessment; your voice is practically electric with wonder.