Obsidian
From Timebomb Madness Wiki
"The strongest and most durable block."
Overview
Obsidian is a block debuted in the base game. It costs 1000P to buy 2 of them. It has 400HP. The maximum amount of obsidian is 18.
Trivia
Before 1.5B, the max amount of Obsidian you could have was 25. In 1.5B it was reduced to 12. In 1.5BC it was increased to 18.
