This is a new addition to the Peaks of Time. It was added in patch 1.14.1.
Your goal in this adventure is activate the teleport to the 2 different islands.
You can do this by finding and activating 3 of the same seal types within the map.
As with most adventures there’s a catch. In this one, when you defeat each enemy, a piece of the platform is removed.
There are gold treasure chests that can be found without teleporting to the islands, but the 2 crystal chests are on each island.
You’ll need to do 2 different runs to get both crystal treasure chests.
There’s 2 different seal types:
This one leads to the crystal chest that contains Shemira.
The Sun Seals
To find all of the Sun Seals, simply follow these paths in order:
This will activate the teleport at the center of the map:
Standing on the teleport will take you to an island which has a crystal treasure chest containing 20 Dura’s Grace Fragments:
The Moon Seals
To find all of the Moon Seals, follow these paths in order:
As with the other seal, this will activate a teleport in the center of the map:
Stand on it and you’ll reach the last island that has a crystal chest containing an epic shemira: