When this item is held by <a href="http://pldh.net/dex/move/monster/dialga" class="linksred">Dialga</a> it boosts the power of its <a href="http://pldh.net/dex/type/dragon"><img src="http://media.pldh.net/types/dragon.png" alt="dragon type" /></a> and <a href="http://pldh.net/dex/type/steel"><img src="http://media.pldh.net/types/steel.png" alt="steel type" /></a> type moves by 120%.