Dawn didn't want to have his powers be connected with someone else. After all, it was his powers. It would just be plain absurd if he were to share it with someone else.
That was why Dawn didn't like the...thought of the Blessings of the Battlefield being a person or a creature.
If it were a person, then it could make decisions according to what it thinks.
And that fact made Dawn scared as hell. This would be the first time that Dawn felt true fear for something.
It was just that bad for the Blessings of the Battlefield to be someone.
Even if Dawn were to eradicate the whole forest in search of strength, Dawn might not receive the blessings if the battlefield deemed it so.
What's more, Dawn had battled a ton of monsters underground when he cleaned up the secret monster pot.
Who knows if the reason why Dawn was not able to evolve was because the Blessings of the Battlefield didn't want to give him blessings?