Two Dimensional Doors were very rare.
Two Dimensional Doors rich in special minerals with a large number of high-level mutated beasts were even rarer.
Along the way, after Senior Sister Qingya's "tuition", Lin Sen also learned some extraordinary knowledge that ordinary people could not come into contact with.
It was not as easy for the other combat professionals in this world to increase their strength as it was for Lin Sen.
Either persevere and risk their lives to cultivate, squeezing out the potential of their bodies or consume the flesh and blood of mutated beasts rich in psionic energy and use the special "digestion function" obtained through training to absorb the psionic energy inside to refine and temper their physique and spirit to increase his level.
Some of them were special. Once they arrived, they would undergo a qualitative change. It was impossible for humans to easily overcome them with just a few years or decades of accumulation.
