It will be like this brother, you make your changes on LuaSetMissionData_EX
5 is the number of monsters, if you wish to make it 500 and put all the monsters id on its up to you
function QNO_AA_GRIND()
QUESTID = LuaGetQuestID("QNO_AA_GRIND")
LuaSetStartCodition(2, QSC_QUEST, QSC_LEVEL, 1, 100)
QM_CONVERSATION = 1
LuaSetStartMethod(QM_CONVERSATION, 1, "NPC_QUESTS")
LuaInsertMissionOrCompleteNpc("NPC_QUESTS")
LuaQuestInsertNpc(1, "NPC_QUESTS")
LuaSetDivideType(5)
LuaSetMissionDataSize(QUESTID, 1)
LuaSetMissionData_EX(QUESTID, 0, MISSION_TYPE_KILL_MONSTER, "SN_CON_QNO_AA_GRIND", 5, "MOB_TQ_SNAKEMAN_ERYX","MOB_ERYX_JOB_MUJIGI_KOOLD","MOB_ERYX_JOB_BLOOD_HYENA_FASTWOLF_CLONE","MOB_ERYX_COAST_CRAB ","MOB_AR_WHITESPIDER_MADNESS_CLONE1", 0, 10000, 0, 1)
InsertQuestMenuStringList("NPC_QUESTS", 8, "BASIC_MENUSTRING_GREETING", "SN_NPC_CH_POTION_QS", "BASIC_MENUSTRING_REQUEST_ACCEPT_QUEST", "SN_TALK_QNO_AA_GRIND_01", "BASIC_MENUSTRING_AT_ACCEPT", "SN_TALK_QNO_AA_GRIND _02", "BASIC_MENUSTRING_AT_DENY", "SN_TALK_QNO_AA_GRIND_03", "BASIC_MENUSTRING_NOT_ACHIEVED", "SN_TALK_QNO_AA_GRIND_04", "BASIC_MENUSTRING_INVENTORY_FULL ", "SN_TALK_QNO_AA_GRIND_05", "BASIC_MENUSTRING_ACHIEVED", "SN_TALK_QNO_AA_GRIND_06", "BASIC_MENUSTRING_ACHIEVED_NOW", "SN_TALK_QNO_AA_GRIND_07")
LuaSetMissionCompleteNum(0)
PAY_ITEM_METHOD_EXACT = 1
LuaSetAchievedItem(1, 7200, 0, 0, 1, "ITEM_MALL_GLOBAL_CHATTING", 1)
LuaSetAchievedSkillPont(0)
end