First buy dozens of hidden keys, then go to auction to buy more than 20 soul essences, dig out several soul weapon boxes at a time, and then open them with hidden keys until you start your career. Generally, the dazzling hidden keys are very expensive, so it is necessary to open them with hidden keys according to economic benefits.

Then feed the soul weapon to the fifth stage with purple dog food from Huang Yan's decapitation box, then buy breakthrough weapons, which are generally inexpensive, and continue to feed them to the fifth stage with Huang Yan's sacrifice, and then 17 jiao+1 lingshi+1gold 90 silver breakthrough (like these things) to the soul 6 stage, and continue to use them.

Then combine with excellent black fin to form excellent soul. Generally, it is enough to buy black iron sacrifices in the old areas. It is better to feed it with black iron sacrifices. It is totally inappropriate and uneconomical (three Chinese purple dog foods are opened with desert keys and fed with 50 copper at a time, only 10, or maybe not 10).

By the way, let's go to see the weapon growth tree. Remember that all souls will be fed with black iron sacrifices when they reach the limit.