Creaturescripts
TAG:
<event type="kill" name="SummonTeleport" event="script" value="summonteleport.lua"/>

Script:
function onKill(cid, target, lasthit)
    if isMonster(target) and getCreatureMaster(target) ~= target then
        if isPlayer(getCreatureMaster(target)) then
            player = getCreatureMaster(target)
            pos = {x = 1234, y = 1234, z = 7}
            doTeleportThing(player, pos)
        end
    end
    return true
end

Login.lua:

registerCreatureEvent(cid, "SummonTeleport")

XML do Monstro:
<script>
<event name="SummonTeleport"/>
</script>