With every sound he uttered, his Sonic Radar activated relentlessly, giving him a detailed outlook of his surroundings. Whatever his Sonic Radar bounced off of, everything was mapped out and formed a three-dimensional image in Krune's mind.
And now, he noticed a dagger-shaped hook fly straight at him. As he ducked, it slammed into the rock he was resting on, cracking it a little as the knife-like hook was lodged almost until its hilt. It showed the sheer power it contained as it was thrown by the Mutant Monster Gecko.
Even though the surroundings were dark, both parties were able to move without trouble. Krune relied on his Sonic Radar to move around while the Mutant Monster Gecko seemed to be perceiving the thermal image of its surroundings. Different methods were used for the same purpose. Who knows which one was better in this instance.