[s4e5] The Tinder Box -

: The most significant event is the total destruction of the Ark by Ilian , who seeks vengeance against technology. Reviewers from IMDb note this as a "catastrophic failure" that resets the survival stakes for the season.

: Bellamy uses his own history of war crimes to talk down Riley from assassinating Roan. This serves as a significant character beat showing his growth and emotional damage. Critical Analysis The 100 Season 4 Episode 5: The Tinder Box Recap [S4E5] The Tinder Box

: Clarke and Roan engage in a tense parley to prevent all-out war between Skaikru and Azgeda. Den of Geek highlighted this as a rare moment of straightforward leadership between the two, though Roan calls out Clarke for her inability to rise above clan affiliation. : The most significant event is the total