Dragonlance: The Legend of Huma (Devil's Due Publishing 2004) #5

Is a childhood friend a lifelong friend? Huma, the legendary Knight of Solamnia, is forced to wonder at the intentions of his once-best-friend Magius as he enters the magician's mysterious home, the Citadel. As Magius seemingly imprisons Huma and the minotaur Kaz, the knight is forced to choose between trusting his old friend or standing against the power of a renegade mage.