We need a speedrun category called "Leviathan Slayer" where, during the speedrun, the Speedrunner must kill each and every hostile Leviathan in the map before leaving the planet, with the exception of the Ghosts in the Crater Edge (since they respawn infinitely.)

Yes, I know Subnautica isn't about killing but I think this would go for an interesting speedrun category, seeing strategies people use to quickly kill Leviathans.

The best strategy is to get the prawn suit drill arm and grappling arm