Wang had not accumulated enough knowledge but he did not need it at the moment. Looking into the distance, he gained focus on what to do at the moment, and thus pulled out the spear he had and started to practice. Looking at the way the neutron star operated, Wang started to slowly infuse the understanding he had of the neutron star on his spear.
Since the time he got involved with the spear, he could be said to have not really had any real technique he studied.
The only one was ignored by him as it had been obtained with the Spear Manual. In the period he used the manual, it indeed helped him a lot but after a while he just let it go.
Perhaps it was because the thing was incomplete and with the fact that his physique was advancing faster than the spear he just ended up abandoning it after the perfection of intent.
