|I've never seen anything like this. I believe it's a Dragonoid Heart Shard, but I can't say that I've ever seen one physically right in front of me though. I... I don't know, this has gotten me so flustered. This might be connected to my world, but... how?
It was BigTuna who initially sent you out to investigate this further, right? You should report back to her, as soon as possible!