[1.2.234] Lienne Draws Closer

and he got that name from the image files. Wanna know what the image files from Mu Lung say? Mureung. Don't trust them.

That is because the hangul for "L" and "Uu" is hard to translate into Roman characters.

ㄹ can be used for borth r or l, it has a r/l sound to so but is more r sounding when 1st in the sequence.
Also it follows the Korean standard for romizing, which is why it is reung but sounds like r/lung.