The obsidian crystal could assist Zhang Han in his cultivation. With such a small piece, although it could not help Zhang Han break through to the middle stage of Qi Cultivating Stage, it could at least help him increase his strength by 30%. However, Zhang Han did not plan to use it for cultivation, because it still had a lot of uses.
Do you still remember the Jade-fire dew from the thunder yang tree?
The first stage spirit treasure was close to the second stage and could be absorbed, but had to endure a lot of pain, mainly to increase the toughness and strength of the body.
The obsidian crystal would make the Jade-fire dew become a very good treasure. One must know, other than the thunder yang tree being a fifth-stage spirit treasure, Zhang Han only had Yuan Qing Tree being a second-st
