Adds jagged bedrock shards that can be harvested and smelted to create weapons, tools and armor that are completely unbreakable, their stats are slightly worse than diamond and have a much lower enchantment level. Also craftable, are bedrock casing blocks, blocks that are indestructible but only when powered by a source of redstone, enabling you to create much more safe and secure bases.
Possibly more to come in the future.

