This arc is considered "solid" because it provides emotional closure to his tragic backstory while cementing his growth from a "Destroyer" into a hero who fights for the living rather than just the dead.
: Drax begins the series purely driven by the need to kill Thanos to avenge his wife and daughter. This singular focus often puts the team in danger, as seen in his reckless behavior in earlier episodes like [S1E12] "The Galactic Guardian." [S1E26] Drax
: In the finale, the Guardians face Thanos, who has harnessed the power of the Cosmic Seed . Drax is forced to choose between his personal vendetta and saving the universe. This arc is considered "solid" because it provides