[2021] PSA: Don't let Crassus detonate on obsidian

Originally posted by cchris43993

I don't know if this is a bug or intended behavior, but letting a Crassus detonate on the obsidian at the end of the escort missions results in no gold spawning. The obsidian overrides the explosion and won't even crater from it. I dug down past the obsidian to see if the gold maybe spawned underneath it, but no such luck.