I'm not sure if these have been posted already or not but here goes.

1. Going into Ic2 and dungeon says failed and if you click okay your kicked out and and can't reenter without another key.

2. In war the map has bases being the color of the previous war.
a. if the map is blue for a procyon they cannot capture that base even if they defeated guardian with most damage given

3. Clicking the seed after the 3rd boss in aos1. When you click the seed the second time d/cing from the game.