
173, Helm of Brilliance (very rare, attunement) Resistance to Fire. 171, Frost Brand (very rare, attunement) Resistance to Cold. 156, Brooch of Shilding (uncommon, attunement) Resistance to Force. In freezing temperatures, the blade sheds bright light in a 10-‐‑foot radius and dim light for an additional 10 feet. In addition, while you hold the sword, you have resistance to fire damage. When you hit with an attack using this magic sword, the target takes an extra 1d6 cold damage. Resistance to cold damage, and reduces penalties while in cold environments. 193, Ring of Warmth (Uncommon, Attunement). 192, Ring of Resistance (Rare, Attunement).

Basically, the creature would chose whatever the side of a specific wall to end up on, unless until the creature is incapacitated. So whenever the wall appears then each and every creature it its specific space has been pushed out of it by a shortest route. Normally, the wall is 1 foot thick and it is up to 30 feet long, 10 feet high, or else it is a hemispherical dome up to 20 feet in the diameter.

Wall of Ice: The devil can magically forms a opaque wall of ice on the solid surface that it can see within 60 feet of it. Hit: 12 (2d6 + 5) bludgeoning damage plus 10 (3d6) cold damage.

Tail: Melee Weapon Attack:+10 to hit, reach 10 ft., one target.

Hit: 10 (2d4 + 5) slashing damage plus 10 (3d6) cold damage. Claws: Melee Weapon Attack: +10 to hit, reach 5 ft., one target.
