Niya-Atha Sorcerer 2014
CR 4 fey
Medium fey, lawful neutral
STR13 (+1)
DEX16 (+3)
CON13 (+1)
INT12 (+1)
WIS10 (+0)
CHA18 (+4)
Icy Wrath.
Its weapons are imbued with icy magic. When it hits with any weapon deals + 4 (1d8) cold (included below). While enlarged it loses this bonus damage but AC increases to 16.
Reduce.
If it starts its turn enlarged it can choose to end the effect and return to its normal size (no action required).
Bonus Actions
Enlarge.
Magically increases in size along with anything it is wearing or carrying. While enlarged it is Large doubles its damage dice on weapon attacks (included above) and makes Str checks and Str saves with advantage. While enlarged it also can no longer use the Summon Iceberg action. If it lacks the room to become Large this action fails.
Source: Tome of Beasts 3 (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details