item replace entity @s armor.head with arrow{Enchantments:[{id:"minecraft:protection",lvl:3}],display:{},CustomName:'{"text":"Greatbow Skeleton","color":"#A3BEC9"}'}
item replace entity @s weapon.mainhand with minecraft:bow{Enchantments:[{id:"minecraft:punch",lvl:5}]}
item replace entity @s armor.feet with minecraft:iron_boots{Enchantments:[{id:"minecraft:protection",lvl:3}]}
execute as @s run data merge entity @s {ArmorDropChances:[-0.66f,0.15f,0.15f,0.02f]}

tag @s add ChampMobName