When he activated his Liquid Life skill, the volume of the resulting liquid was proportional to his body size. The larger his body, the greater the volume of liquid after the transformation.
At his current size, if he split into ten Liquid Clones, each one would already be the size of a dwarf. If he split into even more parts in the future, each might only be a few centimeters or even millimeters tall, and being too small would be a huge disadvantage in a fight.
But if he had a size-increasing skill like the River Fish Monster's, it would be a different story. He could split into ten clones, and each one could still be a three-meter-tall giant.
Of course, Su Ze wouldn't be tempted if the skill only increased one's size. After all, if a Tier-5 skill only made you bigger, that would be a bit lame. But from the looks of it, the River Fish Monster had clearly received multiple buffs after enlarging itself, even strengthening its various skills.
