Based on the search results, it seems that the question is asking what to do with Parade Leaders Ergo, an item in the game Lies of P. Here are some options:

• Use it immediately: According to, using Parade Leaders Ergo immediately after obtaining it will give you 5,000 Ergo, which can be used to level up your stats, buy items, and upgrade your weapons. This is a good option if you need the Ergo early in the game.

• Exchange it for a boss weapon or amulet: also states that after progressing through the game, you can exchange Parade Leaders Ergo for the Seven-Coil Spring Sword or the Dancing Ones Amulet by visiting a merchant named Alidoro in St. Frangelico Cathedral in Chapter 4. These are special items that can only be obtained using Rare Ergo, which is different from regular Ergo. However, if youre not interested in these items, it might be better to use the Ergo immediately.

• Store it: If youre not sure what to do with Parade Leaders Ergo, you can always store it in your inventory until you decide. According to, Ergo is also used to increase the skills and abilities of Pinocchio and acts as a currency to use to pay for new equipment from Merchants, including some services. You can keep track of your Ergo from your inventory menu, which will be registered in the Usable Items tab.

In summary, you can use Parade Leaders Ergo immediately, exchange it for a boss weapon or amulet, or store it until you decide what to do with it.