So i realised that me being a complete tool made myself 6 pieces of julianos instead of 5, this meant i only had 3 pieces of magnus on which only gives magicka recovery. So i went along got the mats to make a magnus head because i was supposedly missing out on 129 spell damage, however when i equipped the head piece the set bonus is now lit up correct but but my spell damage is exactly the same (2700) I'm wondering wether this is a bug or inteded (if its intended -_-)

I'm v16 so I'm not battle levelled and was not inside cyrodiil at the time. Thanks for any help!