@ToaKebaka
Thank you! 
@KanohiReqi
Thank you!
ithink it is acutally just his eye-crystal’s light, but “The 3rd-eye” tales has be called as “The Eye of knowledge or tluth” in everywhere of real world.
I thinks this looks fit to him! 
@MaskMaker
Thank you for your Great mask!
I’m so glad you say so that! 
@ToaTrayax90
Thank you!
But sorry, I also used the King K alphabet, but I also use my own, inspired by the pattern on Takua’s chest.
Moreover, it doesn’t have means because I decided that it is more difficult to decipher than usual Matoran language because it was an “ancient language” and Priority the design. 
Q. Why inspired by Takua’s chest?
A. Please see here.