Put this in "data\actions\scripts\hydraegg.lua".
function onUse(cid, item, fromPosition, itemEx, toPosition)
local pos = getPlayerPosition(cid)
local position = {{x=pos.x,y=pos.y-1,z=pos.z}}
local monstername = training monk
doSummonMonster(monstername, position[i])
end
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