[1.8] Make entity die on world close/save <Close>

[perromercenary00]

im trying to make an Ghost entity to watch over other entityes  healt them if there have are healing items and control the use of some guns from mi mod

i have triying some tings  but i dont like the outcomig

arrr

anyway i need the ghostEntity to die when you close minecraft, i think i must use some kin of onClose/save  event  but du not find what could work for this 

 

what could i use ?

 

thanks for reading

[perromercenary00]

i know see thath

 

buth now i gonna try a diferent aproach gonna set this for close