All spells are cast at the minimum spell slot, and those slots never run out, casting stat is int. Spells: Create flame, scorching ray, control flame, ray of frost, Freezing Sphere, and Ice Storm
Multiattack. Two sword swings or cast one spell. Long sword. +3 to hit, 1d8+6 slashing damage. Cast a spell.
Parry: Make a save with the DC of the AC roll of the attacker, if the roll fails the silver knight takes an extra 10 damage.
A heavy armored knight who wears and uses weapons made of pure silver, he uses basic melee weapons along with fire and ice magic, there is nothing under the armor.
They don't appear in the sky or under the water.