Dimensional Merchant:

To exchange Vitality items, you need to have Vitality-related items in your inventory. You may exchange: Birthday Vitality Potion, Freya's Refreshing Breeze, Pa'agrio's Warm Breeze, Sweet Chocolate, Returning Hero's Vitality Replenishing Juice and Pirate Elixir and XP Buff 50%.
Keep in mind, you cannot cancel any item exchange.
Exchange Vitality Items Back