i found a solution that works for me so if anyone is looking for a similar thing.
Divinity 2 character editorhttps://github.com/NovFR/DoS-2-Savegame-Editor/releases
Its rather simple, just open your save with that editor (make backup of save first).
At that point i edited my mask of the shapeshifter (fane helmet) to give +30 to Wits.
I only equip it when i am exploring (out of combat) so its an easy way to find secrets without putting real points into wits.