Final answer:
The 'wise ones' didn't regret his going to fight Grendel because they believed in his abilities and saw the battle as an opportunity for him to prove his bravery and heroism.
Step-by-step explanation:
In the context of the provided text, the 'wise ones' mentioned in lines 117-118 didn't regret his going to fight Grendel because they believed that it was important for him to confront the challenge and defend his people. They saw it as an opportunity for him to prove his bravery and heroism. Additionally, they may have recognized that this battle with Grendel was a crucial step in the hero's journey, which would eventually lead to his growth and success as a warrior.