Shadow spikes
" Kekeke, did you hear that? The one who killed Grok was finally killed! His brother even wiped out the entire team!"
"Good thing the idiot did not come out in time, we were allowed to go out thanks to the human. I was even lucky to meet a team of all girls, I skinned all of them alive hahaha!"
"You're lucky, I only met some ugly human men. I brought them back to the den because they were too ugly for my bone sword"
" Hehe, don't get jealous. We were able to gather a lot of humans for the festival and I saw a lot of fair skin human girls, we can have a big feast later. Kekeke!"
Three dark-bone spirits discussed amongst themselves as they walked deeper into the cave, not noticing the invisible Alex that was silently following them.
Well, it would be strange if they noticed him as even a Taoist mage might miss Alex in this state unless the other party had the light element.