Yes. Your shard is the most vital part about you now. Your form can be reconstructed from your shard if your physical vessel is destroyed, but if your shard shatters, then your soul will be lost and there will be no way to bring you back.

[Another piece of information. She's hardly feeding a wild wolf, but... hm.]

None that any of us are aware of.

[They can probably keep at this for a while, hm. What else may be of potential interest to him...]