on rightclick:
	if player is holding a nether star named "ダークマター":
		set the player's food level to 9
		apply potion of speed 3 to the player for 300 seconds
		apply potion of strength 5 to the player for 300 seconds
		apply potion of night vision 1 to the player for 300 seconds
		apply potion of fire resistance 5 to the player for 300 seconds
		player's health is not 10
		add 20 to the player's health
		remove 1 nether star from player
		set the player's food level to 10