1. The first one will be dropped at the foundation building level 5 in the early stage.
The defense breaking rate is a certain random value of 0-5%
Pet attack power 5% (randomly retained after upgrade)
Critical hit rate 5-10
Attack power 0-5
HP 0-10
2. Randomly select 3 five-element attributes (may have the same attribute × 2). Only pets with these three attributes can be triggered.
3. Taking into account the cost and value difference of pet training, it is better to refresh the random attributes of the array than to change the pet. (PS: Because formations are dropped at base building 5, you will receive more than 90 draws, and you can also exchange them for pets)
These contents are summarized from the fact sheet, and I believe they can answer your questions on this issue. There are more high-quality guides about Yijie casual cultivation on this website, you are welcome to check them out at any time.