Have you ever felt like this whilst playing Warhammer?
If so, this mod will hopefully help!
It increases all the font sizes by 2, except for the biggest font sizes which stay the same.
Let me know if the font is too big, and should only be increased by 1 rather than 2, although this'll be much more labour intensive ='(
Before
After
Download Instructions
Follow this link, and download the two files called larger_font_warhammer (The lotr_font files are for Total War Attila)
Move both files to C:\Program Files (x86)\Steam\steamapps\common\Total War WARHAMMER\data and you're good to go.