*Thud*
A wave of confusion originated from Lee as he frowned deeply. His fist had not made any mark on the natural formation, so he retracted his arm. Looking at his fist, Lee began to well up and tears rolled down his cheeks, as he held the right arm which had its knuckles turned red!
On Earth, Obsidian is well known for its really unique property. For a natural material, it is much, much harder than steel. Obsidian blades are so sharp that they cut cells, and even DNA. Medical incisions made with such equipment heals at a faster rate.
The obsidian on Utopia can be considered as the earthling obsidian's grandfather. Due to the presence of Mana and Qi, natural objects tend to absorb freely flowing energy, and upgrade themselves. It is through such a process, that the semi-sentient Dungeon Crystals are also formed.