Dry ice certainly makes the atmosphere look mysterious.

Should that crow monster have the name listed?

It’s 9/25 to beat random chance.

It would be a lot of work to change the system, but I’ve said for a while that saving throws should have degrees of success, and bosses should have all saves reduced by a severity level, so they take partial effects, but are immune to the most severe effects.

Secondly, incapacitation should have levels like exhaustion, with one level being similar to slow or mind whip, two being as incapacitation is in standard 5e, except for legendary or lair actions which are only stopped at level three.

More generally, players should have multiple things they can do and the optimal one shouldn’t consistently be the same thing.