Posted September 25, 2015
When you cast the spell that defeats Ad Avis, cast again without right-clicking off the "aim cursor" as soon as you regain control. The hero will throw a spell out somewhere and it lets you cast Summon Staff.
It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera