毒の短剣

on damage:
	if damage is caused by attack:
		if attacker is player:
			if attacker's tool is iron sword:
				set {doku::%attacker%} to a random integer from 1 to 50
				if {doku::%attacker%} = 1 or 2:
					apply potion of poison of tier 1 to the victim for 5 second
					set {doku::%attacker%} to 0