Lost Sailors

Lost Sailors (海より還りし亡者) is the third stage in Ghost Sea.

Battleground
The Face spawns at the start, followed by Olhorn and eventually Mesocosmocyclone. Mesocosmocyclone continues to spawn every 25.3 seconds760f, up to 5 can be seen in total.

Reference

 * https://battlecats-db.com/stage/s13012-03.html