This is a short tip/guide to this WHOLE game:
-In the beginning, you should receive the spell Starlight. This is an Illusion spell. Cast it continuously, when you can. First thing to do is travel to a major city and start the Mages Guild. Whilst getting recommendations from each Guild Branch, KEEP CASTING THE ILLUSION SPELL. By the end of getting the Recommendations, you should be at 100 Illusion or very very close. Finish getting 100 Illusion then go to the Arcane University. Talk to Raminus Polus to gain entry into the Arcane University and it's facilities. Go to the Praxographical building(where you can make spells) and buy the 75% Chameleon Spell from the Mage there that is selling it. Then go to the Altar of Spellmaking and make a 100% Chameleon Spell. With this, you can fight, move around, maneuver through places, ANYTHING (basicly), without opposition or fear of getting killed. No one will hit back or even try to defend themselves. Then finish the Mages Guild or whatever else you need. Thank you for reading my guide.