The two had descended along the mountainside, so they only had to swim a few meters in the direction the beetle indicated before finding a cavern entrance at the foot of the mountain. It was a little over two meters wide and pitch-black inside, making it impossible to discern anything more.
Entering an unknown cave rashly could easily lead to getting lost or encountering an accident, exhausting their oxygen and ultimately ending in tragedy. Explorers diving into caves generally tied a rope at the entrance and paid it out as they went, making it easier to follow the rope out afterward.
Lin Hanzhi thought for a moment, summoned a Bone Blade from the backpack behind him, and drove it into the sand on the seabed before tying the rope to it. That way, anything that tried to damage the rope would be entangled and dealt with by the Bone Blade.
The cave was wide enough for them to swim side by side. Now they were moving horizontally rather than descending, an arm around the waist was a better choice than holding an arm.
Qi Gu also realized that holding his wrist actually took more effort than holding his waist while moving horizontally. But logically, as the one doing the work, Lin Hanzhi should have noticed the awkwardness of the position sooner. Since he had never brought it up, he was clearly afraid Qi Gu would feel uncomfortable.
With that thought, Qi Gu felt around with his free left hand and caught the wrist of the hand Lin Hanzhi was holding his right hand with. Once Lin Hanzhi understood and let go, allowing Qi Gu to hold his wrist, Qi Gu signaled with his eyes for him to hold his waist.
Who would have thought that the usually quick-witted Lin Hanzhi