Expert
This is the hardest difficulty.
The fallback content to display on prerendering gain 2 The fallback content to display on prerendering for each additional The fallback content to display on prerendering action taken in battle. To resolve their individual The fallback content to display on prerendering step, an adventurer must The fallback content to display on prerendering an The fallback content to display on prerendering. Adventurers remove 1 die from their cooldown track and The fallback content to display on prerendering for 1 HP during the Adventurers Rest step at the end of each day.
Trading items and Expert difficulty
All adventurers participating in an item trade must have an Adventurers Rest step, the giver and the receiver. Therefore to participate in a trade, you must have discarded an item.
Source