Mini-boss Boss Bars {Data Pack} Data Pack 1.21–1.21.1
DATAPACKIt is also worth noting that the boss bars added by this data pack do not necessarily work the same way as regular boss bars do, as they won't actually appear right off the bat as when any of the included mini-bosses spawn.
It is also worth noting that the boss bars added by this data pack do not necessarily work the same way as regular boss bars do, as they won't actually appear right off the bat as when any of the included mini-bosses spawn.
Should the player stray off into the distance at a minimum of 60 blocks from a mini-boss, their health bar will then vanish and require another blow of damage in order for them to reappear once more.