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The Pill Mark could be further subdivided into two main categories: colorless and colorful Pill Mark. The colorless Pill Mark only formed lines on the Pills, it did not have any color, but the colourless Pill Mark, had color and tangible form, it was the king of the Pill Mark.
There were colored Pill Mark s, and according to the number of Pill Mark s formed, one to five were called mortal runes