Item spawns in 55 minutes with a chance of 1/6.
This item has a similar shape to the Sonic Gem. The only difference is that Dio's Crystal is yellow. It is easy to spot around the map because of its bright and glowing effect.
(Page made originally made by Wurstur)
(Corrections made by RyRyDragon)
The World + Dio's Crystal ⇒ Dio's The World
The World + Dio's Cheese ⇒ Dio's Cheesy World