I'm not sure how to translate フォー・ダークネス (alternatively 闇のもの) to English as " ___ Darkness ".
This is the name of some monster. It might be some sort of word play or some reference to the Shoggoth. I cannot tell.
The フォー part sounds like: four, for, foe, pho, fore, foo, ... but I don't think any of them match.
I thought maybe "full" but that's written with フル
Looks like it's a name attributed to a set of monsters
闇のもの【フォー・ダークネス】 の１体 ダーク・ショゴスだ