September 6th 2022 Update.
Moss returns as boss for 10th room with few changes.
Right now there are only a few items available. All because of problems with creating images for them. In order to add variety to the library, not all items will have previews yet.
Everyone who played Throne of Heroes before rework got an item of Legacy rarity — Boon of Pioneer. As a thanks for joining to beta. Also you will find in your armory extra copies for each played hero. You can use these copies for upcoming features.