Weather Connection. Whenever the acalica is in an area where it is raining, snowing, or hailing, all of its attacks deal an extra 2 (1d4) cold damage.

Longsword. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 1 slashing damage.

Shortbow. Ranged Weapon Attack: +6 to hit, range 40/160 ft., one target. Hit: 1 piercing damage, and the target must succeed on a DC 11 Constitution saving throw or become paralyzed for 1 minute.

Weathersight (1/Day). The acalica casts control weather. Its spellcasting ability to cast this spell is Intelligence.

Invisibility. The acalica magically turns invisible until it attacks or casts a spell, or until its concentration ends (as if concentrating on a spell). Any equipment the acalica wears or carries is invisible with it.