With an option to extrapolate its technique presented before it, the black skeleton did just that. The Battle Axe released a crimson light. This light was contained to the axe. The axe became completely crimson for an entire ten minutes. When it returned to normal, the writings on the axe head had changed a bit. The characters that outlined the cultivation technique were denser and much more complex.
The summary of these writings was very simple.
[Corpse Qi: 20Units]
[Skills: Life Sense----2/4...Upgrade /// Decomposition----1/3....Upgrade /// Faceless Wonder---2/2]
[Unknown Technique-----1/2 (Life Force Vision, Rapid Decomposition, Dark Blade.)]
The unknown technique bow had two stages. This meant that he could increase his cultivation. All he needed was more corpse Qi.