When destroying an end crystal, the explosion does not destroy blocks. I tested this in both the Overworld and the End, and I got the same result.
How to reproduce:
- Place an end crystal, or find one naturally generated on an obsidian pillar.
- Place at least one block near the end crystal that can be destroyed by explosions. You can skip this step if such a block already exists nearby.
- Destroy the end crystal, and notice that all surrounding blocks remain intact.
I tested this with dirt, which has a low blast resistance, so I expected it to get destroyed.
While the impacts of this bug are minor, it prevents players from using end crystals as a "fancier" substitute for TNT.