Tang Ling did not stay idle in his conscriptions as a meatshield. In his stay in the Heavenly Ascension, Tang Ling honed his skills through quests he received in the city. People with question marks on their heads would possess quests to complete which would grant them a sizeable amount of EXP.
However, that wasn't the main point. Levels are almost irrelevant in the short-term, after all, he would still die by bullets even if he's LV30. What he did gain is his advancement in [Aspect of the Leopard] through a quest he received from a scholar. In exchange for a few wolf fur, the scholar was willing to explain to him how the leopard operated and with it, the special posture given by the book made sense.
[Aspect of A Leopard (Special-type Series Martial Art)]
[Description: The Animal Schola
