Reinforced Deepslate

Reinforced deepslate is a tough decorative block that spawns in ancient cities.

Obtaining
Reinforced deepslate is not obtainable by Silk Touch, and is only available through the Creative inventory or commands. It cannot be pushed by a piston, it is highly blast resistant, and it cannot be destroyed by the wither or ender dragon.

It has no tool associated with it.

Natural generation
Reinforced deepslate is found in the central part of ancient cities, creating a portal-like or frame structure.

Trivia

 * According to Brandon Pearce, reinforced deesplate's job is to add mystery.