var xx = battle_box.bbox_left + 4 + 11
var x_offset = 48
var yy = battle_box.bbox_top - 40
ball_spawn_point = irandom_range(0, 2)
var ball = instance_create_depth((xx + x_offset * ball_spawn_point), yy, -100, obj_battle_enemy_attack_axis_energy_ball_boss)
ball.direction = 270
alarm[2] = attack_interval