Why evil you ask? Imagine that this dice is an evil genie, who would grant you your fondest wishes, your wildest dreams. Without regards for the consequences to the present, future or even past!
Then I give you...
"The D20 of EVIL!!"
- Do you wish to slay the Greater Dragon of Suspect Intentions...DONE!...but, oh no, it's very life-force was the only thing holding together the plane of reality you're all residing in. Dooooooom!
- Do you wish to go back in time to assinate the father of the terrible Duke of HorrithanbilialeeShire...DONE!...but, woe is you! Plot twist! The father of the terrible Duke was your father too! Doooooooom!!
- Do you wish...etc, etc, blah, blah, blah. You get the idea. Cue disclaimer...
: All the sides of this dice have the value of 20. If you must win, under any circumstances and in any way possible, then you might be evil
...and therefore, require this dice. Bwa ha ha ha ha haaaa!
Partner to The D20 of Fail