Valhalla was the sacred realm of the Asgardians. Whenever an Asgardian died heroically, their soul would go to Valhalla and become a heroic spirit.
In the movie, Thor's ex-girlfriend Jane became Mighty Thor and died heroically while fighting Gorr the God Butcher. Her soul earned Valhalla's recognition and was guided straight into it.
Seeing Thor's grief, Loki walked over, wrapped an arm around his head, and gently comforted him. "It's all right, Thor."
"From today onward, you're the king of Asgard. You can't be this weak. You need to pull yourself together."
"Don't forget, you still have Mother and me, and the people of Asgard."
Thor nodded and pulled out of Loki's embrace. He looked at Yang Bo with a faint smile. "Lucky you, getting to see this..."
Yang Bo chuckled and waved the phone in his hand. "Do you mean the mighty Thor crying his eyes out and needing someone to comfort him?"
"Or the part where you took the opportunity to cop a feel?"
Thor: "..."
"Yang, I didn't expect you to come."
Yang Bo curled his lip. "That was a really clumsy change of subject."
"If my calculations are right, Odin should have had at least a few more years left. Why has he gone to Valhalla already?"
Odin was supposed to die after Doctor Strange became the Sorcerer Supreme, but Doctor Strange had only been an apprentice for six months.
At Yang Bo's question, Thor, who hadn't even been embarrassed by the teasing earlier, actually looked helpless.
"Well... I've grown far too quickly these past few years, completely beyond Father's expectations, so a little while ago, he wanted to test my current strength..."
"I got carried away and fought him with everything I had. It drained a huge amount of the divine power he was using