execute as @e[type=armor_stand,tag=magus_ice_wall_marker] at @s run fill ~-7 ~-7 ~-7 ~7 ~7 ~7 air replace blue_ice
execute as @e[type=armor_stand,tag=magus_ice_wall_marker] at @s run fill ~-7 ~-7 ~-7 ~7 ~7 ~7 air replace packed_ice
execute as @e[type=armor_stand,tag=magus_ice_wall_marker] at @s run fill ~-7 ~-7 ~-7 ~7 ~7 ~7 air replace ice
execute as @e[type=armor_stand,tag=magus_ice_wall_marker] at @s run fill ~-7 ~-7 ~-7 ~7 ~7 ~7 air replace water

kill @e[type=armor_stand,tag=magus_ice_wall_marker]