[This cat... speaks to his soul. He also crouches down once Pennyworth starts side-hopping at him, bongoing the ground with both hands now. Then he leans over to pick up one of the weeds from his weed pile and starts to wiggle it back and forward across the dirt.

It. It takes him a second to gather up his attention enough to answer Damian's question. His cat is being stupid and so is Wei Wuxian, who's practically lying on his stomach in the dirt now.]

—Plenty of things! A compass that can track resentful energy signatures, spirit attraction flags that can draw corpses, spirits or other evil creatures to you - tools cultivators find lots of use in.