Favorite DLC from any game?

[Netrunner2go]

Frozen Wilds. no doubt.

 

[Don_the_brawler]

Animal crossing - happy homes academy. Decorating tonnnns of houses.

Here are a bunch of houses I made. Some are two story(two rooms).

That's just four homes I decorated. I decorated somewhere between 20-30 homes.

 

[DaggothZ]

I don't think anything comes close to Heart of Stone in terms of quality.
And Blood and Wine in terms of quantity.

Honorable mentions though as memorable expansions would be BG2 Throne of Baal and Starcraft Broodwar Expansion.