Sundered Zerethstead

Schematic: Sundered Zerethsteed

Obtained from the Mawsworn Cache /way 60.5 30.6
Schematic can be found on the ground at 60.55 30.52 coordinates, between two cages. Clear the group of common mobs to safely pick it up.
Requires having Protoform Synthesis (Mount) unlocked to obtain from the treasure. If you have already looted the treasure before unlocking Protoform Synthesis (Mount), after unlocking it, it will instead be in Protoform Schematic at /way 60.6 30.5, right next to where Mawsworn Cache would be