It looks like in your custom style you have the Forums navbar moved to the header template.
AdminCP => vBa Gallery => Modify Settings => Header Replacements
List php file you want your Forums URL listed infront of.
Welcome to the party
BTW: Warhammer ? As in Warhammer40k, I use to play RPG w/ dice and Char sheets years ago.
Prob not the same warhammer ......