There are currently three missions in Stranded Deep. They offer a Obtained from killing these boss creatures. Each mission boss has unique combat abilities when fighting them. They are very difficult to fight, and require a lot of preparation. The player is almost certain to be caused bleeding when encountering these. They can be found at the water towers. These places have no items or crates. It requires about 30+ Speargun Arrows to kill each one. When a mission is selected, dramatic music will player for a short period of time. The player then heads to the map marker to location the creature. There are no other hostile creatures around during a mission fight. if a player leaves the mission area, they will fail the mission. At each mission area, there is a bed that the player can sleep and save in. It is not recommend to fight mission creatures at night time. Attempt to do it, around mid morning.
Megaladon
Giant Squid
Moray Eel