You can scrap your TP from the Character menu by using [X Coins]. You can also exchange your acquired [X Coins] to various items from the X Coin shop.
Gold is required to scrap your TP into [X Coins]. The cost of TP scrap can be reduced by using [TP scrap Boost](Required to purchase Royal Pass).
Only Basic, Normal, and Rare grade of TP can be scrapped and the cost will vary.