1. in a manner relating to or constituting a climax; at or near the point of greatest intensity or importance

Examples

• The film climactically reveals the villain's true identity in the final scene.
• The symphony builds climactically toward a powerful orchestral crescendo.
• The novel climactically brings all plot threads together in the last chapter.
• The speech climactically calls for immediate action on climate change.
• The performance climactically reaches its emotional peak during the final act.