Yes, magnify that one quite a bit. It reveals a code, the little tick marks

There is storehouse of knowledge, its entry is guarded. One can get in only by asking, but to ask one must be advanced enough to be respected by the spirits that guard the gate and the result must be specifically outlined, even low-level advanced souls are not free to wander in there but are escorted, guided to the correct location. It is not possible to fool the spirits by lying to gain access either. Very few are trustworthy enough to even ask for permission to enter