Nairicain's Demon Elixers last for a total of 5 seconds instead of 8 minutes as said in it's description.
Pirate's Speed Infusion skill when used shows 2 skill icons in the top right corner of screen, when either one is canceled the other stays on but skill effect is gone.
Just some things I found, not really a huge problem but yeah it's there and people will eventually notice it.