local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_POISONDAMAGE)
setCombatParam(combat, COMBAT_PARAM_BLOCKARMOR, 1)
setCombatParam(combat, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_POISONARROW)

local condition = createConditionObject(CONDITION_POISON)
setConditionParam(condition, CONDITION_PARAM_DELAYED, 1)
addDamageCondition(condition, 10, 2000, -1)
setCombatCondition(combat, condition)

function onCastSpell(cid, var)
	return doCombat(cid, combat, var)
end