There is a air bubble near the Devils island, where a plesiosaur can still get agrod while you have a safe, air pocket, but the bubble distorts the outside slightly, so the easiest way to ko it is to go about 15 steps back so the plesiosaur will stand still over the bubble, if u find a spot to hit it, then just unload tranks intill it flees then, you will have to chase it and load 5 to 10 more tranks for ko

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