Holy Diary

 The Holy Diary is an item that spawns every 1000 seconds or 15 minutes with a 1 in 4 chance, or 24 

It was previously known as Shiny Diary.

Star Platinum >  Star Platinum OVA

The World >  The World OVA

Killer Queen >  Creeper Queen

Yasuo >  Project: Yasuo Tusk Act 4 >  Shiny Tusk Act 4