Before he became dust he came across a type of wooden/porcelain doll though due to a curse his soul gets bound to the doll and the master behind the doll can control him

the master is unknown at this point but they are a chaos bringer...

This Gaster died at 32 years old due the curse causing a type of seizure...

Suicune400
LuckyLoto12

Anyways see you in the next chapter my fluffy clan members