there is a forbidden (bannable offence!) way to put monster on respawn point:
1) bring monster to respwan
2) put it to stone curse (SC)
3) put walls around him
4) wait when he would be out ou SC
5) cast fireball on him
6) run out of his view radius
7) mob would stay at this place
there is a forbidden (bannable offence!) way to put monster on respawn point: 1) bring monster to respwan 2) put it to stone curse (SC) 3) put walls around him 4) wait when he would be out ou SC 5) cast fireball on him 6) run out of his view radius 7) mob would stay at this place