The Dragon Bear Soul's stubbornness and unwillingness to remain behind stemmed from its shared link with Hex.
Hex sensed its desire to improve. To be honest, Hex blamed himself for not realizing it sooner. As he grew in power, the help the Dragon Bear provided diminished.
At the Refined Stage, no one rivaled his strength and power. Not at the same stage. It wasn't like he thought he was the strongest but he hadn't encountered anyone who could rival his strength and power.
The Dragon Bear felt challenged by the sudden growth of the Dragon – a creature, which hatched just recently. It threw caution to the wind and absorbed all three streams entering the inner space: chaotic energy, Space elements, and Time elements.