The Ancient One decided to take responsibility for rescuing Thor and leave the task to Russell.
Just as Odin needed to hold Thor's Coronation Ceremony to build his reputation.
The Ancient One also needed a suitable opportunity to build Russell's reputation, allowing him to display his strength to the fullest and intimidate the surrounding Dimensional Demon Gods.
Joining forces to extort Mephisto did not count. It would damage the image of Kamar-Taj's Sorcerer Supreme if word got out.
The Frost Giants were the target the Ancient One had chosen for Russell.
Their individual strength was generally mediocre; they relied on numbers to prevail.
Their high-end combatant, the Frost Giant King Laufey, had been far weaker ever since Odin took the Casket of Ancient Winters.
Judging from their combat structure, Russell countered them completely. Not a single one of them could break through his defenses.
More importantly, he had just cause.
A thousand years ago, the Frost Giants had invaded Earth, attempting to turn it into an Ice Age and make it a paradise for Frost Giants.
Kamar-Taj had also been part of the allied forces that resisted the Frost Giants a thousand years ago.
Now, as a member of Kamar-Taj, Russell would represent Earth in going to Jotunheim to collect that debt.
By both sentiment and reason, it was entirely justified.
Putting on a concerned expression, the Ancient One asked Frigga,
"Queen, have you encountered some difficult matter?"
After hesitating for a moment, Frigga slowly nodded with a frown.
This concerned the safety of her two sons and her future daughter-in-law, Sif. She could no longer worry about violating principles and revealing what heaven had ordained.
She had to find Odin and have him rescue Thor and the others.
Frigga rose and bid the Ancient One farewell. "Sorcerer Supreme, I