Such a guess is very likely to succeed, but it is not a blind guess of Shenquan sword. After all, the more powerful the secondary artifact is, the greater the intensity of thunder robbery will be when encountering thunder robbery. At the moment, this kind of robbery cloud is much stronger than the thunder robbery when the chain lock of mother and son burst through.

so according to the general rule, after the breakthrough, the secondary artifact of this time must be higher than the level of the chain lock between mother and child.

but it's not such an algorithm. If the reason why the secondary artifact has such a...