fill -739 8 900 -747 8 900 air
fill -753 8 942 -744 8 942 stone
playsound minecraft:block.piston.extend master @a 0 0 0 500
setblock -739 8 904 redstone_block 0 replace stone 0
setblock -758 8 930 redstone_block
scoreboard players set @a Glace 0
title @a actionbar {"text":"Ice Beam","bold":true,"color":"aqua"}

setblock -712 8 901 unpowered_comparator

setblock -743 8 900 redstone_block
setblock -747 8 942 minecraft:redstone_block
replaceitem entity @a slot.weapon.offhand diamond_horse_armor

kill @e[type=Fireball]