Outline:

1. Chapter 1: Life with the Pride - Introduction to the lion's happy life with his pride.
2. Chapter 2: The Incident - Transformation of lion's life due to a disastrous event.
3. Chapter 3: Alone in the Wilderness - Lion's quest for survival without his pride.
4. Chapter 4: The Phoenix Rising - Lion's self-improvement and psychological healing.
5. Chapter 5: The Hunter Becomes the Hunted - Lion's first encounter with a new threat.
6. Chapter 6: Mastering the Art of Solitude - Developing new survival skills in the face of adversity.
7. Chapter 7: Return of the King - Reclamation of the lost pride.

Chapter 1: Life with the Pride Our lion, the king of his savannah domain, starts his day with the sun rising over the African plains. He's at the center of his vibrant pride, respected by his peers and adored by his cubs. Life is good, and all is well in their tight-knit community. It is a time of abundance, harmony, and happiness.

Chapter 2: The Incident One fateful day, a raging wildfire tears through their territory. The lion, as the leader, directs his pride to safety, but gets separated during the chaos. He fights desperately against the force of nature, but eventually succumbs to the fiery beast, losing consciousness.

Chapter 3: Alone in the Wilderness When he awakens, his world is a charred shadow of its former glory, and there is no sign of his pride. Bathed in the truth of his solitude, he mourns his lost family and his damaged ego, the reality piercing sharply through his robust exterior.

Chapter 4: The Phoenix Rising As the lion spends his days hunting alone, he grows stronger, both physically and mentally. He learns to rely on his own strengths, to hunt solo, to strategize without the planning and support of his pride. He forgives himself for what he perceives as his failures, a crucial first step on his road to recovery.

Chapter 5: The Hunter Becomes the Hunted An unfamiliar roar breaks the stillness of the night. The lion is no longer the only predator on this terrain. The threat of a rival lion becomes a harsh reality. In the face of this danger, the lion must defend his domain, and in doing so, learns his own worth and capacity for courage.

Chapter 6: Mastering the Art of Solitude He cultivates patience, strategizing his hunts and his defense with the stoic demeanor of a true king, honed not by companionship but by solitude. He discovers new facets of his identity, growing into a wise, battle-scarred ruler of the plains.

Chapter 7: Return of the King His journey comes full circle when he encounters his pride once more. Through victorious roar and the proven might, he reassumes his rightful position as their leader. He is greeted not with the old familiarity, but with newfound respect and awe. He realizes his time alone was not a punishment but a testing ground to emerge as the lion he was always meant to be.