My first boss fight with boss bar made only with commands on minecraft bedrock 1.21.2, without add-on, texture pack and easy to check commands or systems, church and inferno theme, boss with two phases and abilitys, its a wither skeleton
Select version for changelog:
Changelog
Map uploaded
Maybe there is a bug that makes the boss die on the beggining of the second round
Now you cant damage the boss while the second round is charging