a

/setblock ~ ~ ~ minecraft:chest{Items:[{Slot:13b,id:"minecraft:blaze_powder",Count:127b,tag:{HideFlags:63,AttributeModifiers:[{AttributeName:"generic.maxHealth",Name:"generic.maxHealth",Amount:100000,Operation:0,UUIDLeast:607408,UUIDMost:446134,Slot:"mainhand"},{AttributeName:"generic.movementSpeed",Name:"generic.movementSpeed",Amount:3,Operation:0,UUIDLeast:336692,UUIDMost:456530,Slot:"mainhand"},{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:1000000,Operation:0,UUIDLeast:633275,UUIDMost:804351,Slot:"mainhand"}]}}]} replace