But in speaking with Nighy, Fraser, Curtis and Quan, The Envelope finds they are savoring their longevity and still stretching acting muscles in movie roles that crack open previously unrevealed depths.

Source: https://www.latimes.com/entertainment-arts/awards/story/2023-02-13/first-time-nominees-over-50-have-advice-to-share

Presumably La'an has other, hitherto unrevealed powers beyond the ability to outdrink Klingons.

Source: https://screenrant.com/khan-every-augment-super-power-in-star-trek/

There, Infinity Ward explained that the fourth unrevealed weapon would be a "high-caliber pistol modified for full-auto," which certainly fits the bill for an automatic Desert Eagle firearm.

Source: https://gamerant.com/call-of-duty-modern-warfare-2-fourth-season-3-weapon-leak/

Writers would have their outlines and then they'd paint themselves into a corner and be forced to reveal some new power which was previously unrevealed or have somebody do something which was against their nature out of the necessities of the plot.

Source: https://comicbook.com/comics/news/erik-larsen-interview-savage-dragon-265/