boss health

/scoreboard players remove @p[score_damage_min=1] damage 1
comparator/inverted redstone/clock/
/summon PrimedTnt ~ ~ ~10

/scoreboard players set @a[score_reset_min=1] reset 0 (respawns enderdragon when set reset =1)
comparator
/setblock 36 0 867 air
repeater
/setblock 36 0 867 bedrock
repeater
/summon EnderDragon ~ ~5 ~10 {Attributes:[{Name:generic.maxHealth,Base:10}],HealF:10,Riding:{id:Minecart},CustomName:"Boss",CustomNameVisible:0}


scoreboard players set @a reset 1
rep/rep
/summon PigZombie ~ ~1 ~ {Equipment:[{},{id:313},{id:312},{id:311},{id:310}],CustomName:Boss,CustomNameVisible:1,Attributes:[{Name:generic.maxHealth,Base:10}]}