local AREA_CROSS5X5 = {
{0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0},
{0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0},
{0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0},
{0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0},
{1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1},
{0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0},
{0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0},
{0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0},
{0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0}
}

local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_GROUNDSHAKER)
combat:setArea(createCombatArea(AREA_CROSS5X5))
combat:setFormula(COMBAT_FORMULA_DAMAGE, -1000, 0, -2000, 0)

function onUse(cid, item, fromPosition, itemEx, toPosition, isHotkey)
    local knucklePosition = Position(1024, 1034, 7)

    local knuckleTile = Tile(knucklePosition)
    local backhandTile = Tile(knucklePosition + Position(0, -1, 0))
    local thumbTile = Tile(knucklePosition + Position(1, -1, 0))

    local knuckleTileU = Tile(knucklePosition + Position(0, 0, -1))
    local backhandTileU = Tile(knucklePosition + Position(0, -1, -1))
    local thumbTileU = Tile(knucklePosition + Position(1, -1, -1))

    if item.itemid == 1945 then
        knuckleTile:getTopCreature():teleportTo(knuckleTileU:getPosition())
        backhandTile:getItemById(12995):moveTo(backhandTileU:getPosition())
        thumbTile:getItemById(12996):moveTo(thumbTileU:getPosition())
        Item(item.uid):transform(1946)
    elseif item.itemid == 1946 then
        knuckleTileU:getTopCreature():teleportTo(knuckleTile:getPosition())
        combat:execute(nil, Variant(knuckleTile:getTopCreature():getId()))
        backhandTileU:getItemById(12995):moveTo(backhandTile:getPosition())
        thumbTileU:getItemById(12996):moveTo(thumbTile:getPosition())
        Item(item.uid):transform(1945)
    end

    return true
end