>>27473731Like one or more than the following reasons:
1- Ash's previous defeat with Shota resulted in a downward spiral for Ash which culminated after his defeat with Wulfric in Snowbelle.
2- Ash managed to overcome his dilemma after his defeat with Wulfric, Serena although little had to do with it and Ash thanked her personally, after Ash defeated Wulfric she was very relieved that he could come back, but in the previous episode she brought up that now he's in fact different.
3- See
>>27473797 It's Serena after all.
>>27473754It was just BW.