Tooltips and dungeon journal reflect ability values for one encounter version. Please refer to "Effect" section on spell pages to see values for all raid sizes and difficulties.
End Time is only available in Heroic Difficulty.
The Wowhead Client is a little application we use to keep our database up to date, and to provide you with some nifty extra functionality on the website!
It serves 2 main purposes:
You can also use it to keep track of your completed quests, recipes, mounts, companion pets, and titles!
So, what are you waiting for? Download the client and get started.