Conundrum!
If the cuttlefish were able to turn their entire bodies invisible, including their elements and individual attacks, they had to sacrifice something in exchange.
In his superior mind-flowing state, Liam used Shadow Blink to momentarily bring himself to a safe corner of the crevice, then conjured three Shadow Clones in one second, splitting away and camouflaging two of them with his King's Eye and blending their forms with the water.
The third clone, Liam didn't bother hiding, instead opting to make it seem like it was regenerating its grisly wounds. He even coated it with a layer of hot ichor, adding a touch of realism.
Following this, Liam yanked himself into the Sea of Darkness, then stood still, not moving a finger and closing his eyes.
He didn't even think.
He'd entered a cold, comatose state.
However, he could sense and control what his Shadow Clones did.