Freak the Mighty tells the story of Maxwell Kane, an intellectually struggling but physically strong seventh-grader, and Kevin Avery, a physically disabled genius who is confined to a wheelchair. Together, they form a close friendship and go on various adventures. Some of the notable adventures or quests undertaken by Max and Kevin include:
1. Quest for a Mother: Max's mother left him at a young age, and he longs to find her. Along with Kevin, he embarks on a journey to track her down and discover the truth about his past.
2. Confrontation with Killer Kane: Max's father, Killer Kane, is a brutal and abusive man who has caused significant trauma in Max's life. Max grapples with his anger and resentment towards his father and ultimately confronts him in a climactic showdown.
3. Saving Grim and Gram: Grim and Gram are a pair of elderly neighbors who are kind and supportive towards Max and Kevin. When their home is threatened by a fire, Max and Kevin courageously work together to rescue Grim and Gram and save their house.
4. Finding the Meaning of Friendship: Throughout their adventures, Max and Kevin develop an unbreakable bond of friendship that teaches them the value of loyalty, trust, and mutual respect. Their friendship becomes a source of strength and resilience as they face various challenges.
5. Overcoming Fear: Max and Kevin have their individual fears to confront. Max battles his fear of heights and takes on a terrifying Ferris wheel ride to prove himself. Kevin, on the other hand, faces his fear of water and goes swimming with Max in a pond.
These adventures and quests shape Max and Kevin's character and contribute to their personal growth and development over the course of the novel.