A story of costly victory or ironic fall. The protagonist achieves something, but what they pay, or what they become, is the real subject.
The Pyrrhic Arc is the archetype of the costly win and the ironic fall. The plot executes: the protagonist defeats the antagonist, completes the mission, solves the problem. But the ending rests in Crisis or Reversal rather than Resolution, the emotional register of the outcome is tension, reversal, or sustained crisis rather than peace. The protagonist may stand victorious but at a price that the audience cannot celebrate without qualification.
The Reversal-Crisis axis carries very heavy combined weight, together often exceeding 40% of screen time. The plot machinery is elaborate and works. Climax (climax) is present. Resolution (resolution) is minimal or absent. The story ends on a note that withholds the full emotional discharge the audience has been building toward.
Not The Crucible (Tapasya), which has even higher Crisis weight and is structurally about endurance rather than plot completion. The Pyrrhic Arc completes its plot; The Crucible asks what the ordeal costs the protagonist as a person.
The irony must be built into the structure, not added at the end. If the costly win is announced only in the final scene, it reads as a twist rather than a Pyrrhic Arc. The cost must be visible throughout: the audience should be able to see what the protagonist is sacrificing even as the plot succeeds.
Reversal→Crisis→ReversalCrisis arrives, is survived, and the reversal returns. The protagonist wins a battle only for the cost to circle back. The most architecturally pure Pyrrhic structure.
(linear advance)The costly win follows a clean linear path, but the cost is baked into the register where the story rests (Crisis/Reversal rather than Resolution). Irony through mismatch, not loop.
Reversal→Pursuit→ReversalBrief returns to pursuit overwhelmed by the reversal-crisis axis. Most dramatic Pyrrhic arcs.