
I guess it's simply for Daedric Curse/Prey. Just like Firerune has a big F as the main letter in the middle.
I do think it's nice though that daedric font is utilized so often, and mostly not just as random gibberish. There's actually a big section on UESP about it:
https://en.uesp.net/wiki/Lore:Daedric_Alphabet#ESO