Qiao Sang had practically made her decision about the next new skill as soon as Water Luliana finished demonstrating the skills it already knew.
That was Water Jet.
Water Jet was a Water-type physical attack skill.
Its effect was not literally spraying out a stream of water. Instead, it wrapped the Pet Beast's entire body in water, allowing it to crash into its opponent along with the current.
Qiao Sang had thought it through carefully.
Water Luliana's aptitude was not high, so having it learn a High-Level Skill at this stage was definitely unrealistic.
Although Water Jet was a Mid-Level Skill, it was considered one of the more difficult moves to learn among all Water-type Mid-Level Skills. Given Water Luliana's aptitude, it would probably take years to master it.
However, Qiao Sang did not think it would take that long, because Water Luliana knew Water Tail.
Water Tail and Water Jet had something in common: both required wrapping part of one's body in flowing water.
Skills could promote a Pet Beast's growth and also lead to the comprehension of another skill.
Most Beast Tamers who wanted their Pet Beasts to learn and comprehend High-Level Skills would first have them build a solid foundation by learning a corresponding Low-Level Skill or Mid-Level Skill.
Take the Water-type High-Level Skill Hydro Cannon, for example.
It was basically impossible for a Pet Beast to directly comprehend Hydro Cannon. But if it first learned the Mid-Level Skill Water Cannon before attempting Hydro Cannon, its chances of success would rise dramatically.
It was like how students had to complete nine years of compulsory education before they could pass the High School Entrance Exam and become high school students. Otherwise, without even a proper foundation, they would not understand a single question if handed high school-level problems.