bossfight

2. A difficult challenge or confrontation that feels like a major test.

The final exam felt like a bossfight for the whole class.

3. A stage in a game where the player must defeat a powerful main enemy to move on.

The bossfight at the end of the castle level took me an hour.

4. A tense, high-stakes showdown between two strong opponents in any competition.

Their chess match turned into a real bossfight in the last round.