SO I have this friend...

[Shinizak]

This is actually a good point, yeah. Any time standard abilities get denied due to plot, players tend to get upset. And, in my experience, upset or bored players generally look for the easiest way available to shake things up. The easiest thing available is generally screwing with the DM.

He makes them to know the weaknesses of monsters, to know what spell I'm using, and the worst one was he was trying to learn how to use a scroll of true Resurrection as a fighter (he refused) to let the cleric use it since it was "his" scroll (even though the bard found it).