This has been removed from Heroes of the Storm. 
The Brilliant Topaz was a gem-type artifact in Heroes of the Storm. It increased ability damage by 1% per rank, up to a maximum of 10% at rank 10.[1]
Quotes and Facts
Topazes are available as gems in the Diablo and Warcraft games.
References[]
- ↑ 2014-07-21, INTRODUCING ARTIFACTS. Blizzard Entertainment, accessed on 2014-08-03