agrifrost

Special Trait Name. can change shape but once attacked loses form 

knows all frost and acid spells and can telepathically speak to people in multiple different languages. and knows other non element spells

ranged attack called ice storm doing 15d6 damage type cold in 20 foot radius and 50 feet high damaging everyone in the area but its self. counts as 1 action

melee attack called poison slash doing 4d8 on impact plus 2d6 poison damage per turn to inflicted player

movement action called flash step player being targeted must roll disadvantage saving throw to be able to see where the agrifrost is coming from as it moves so fast almost as if its teleportation and does a kick in the back doing 5d4 bludgeoning damage knocking the player to the ground. if saving throw succeeds it only does half damage and doesn't knock them on the ground.

bonus actions are slashing arm doing 2d10 slashing damage and has 25 percent chance to poison target

frost anticipation

frost antisapation is a reaction this monster has being able to predict, see coming, or expect from an enemy or friend but only when it is being targeted by this cold/frost attack 

the cost for this attack is all of its stamina, the more health the more damage.

a combo stab attack called instantaneous stab combineing a flash step with all four blade arms stabing the target 25 times then kicking them across the floor doing 18d20 and if health drops to zero all bones in body shatter and you are consumed by the beast restoring it to full health 

if beast is 100 health and below than does 13d20 damage and if 100-200 15d20 damage and if 200-300 than 18d20 and if at full health than it does 19d20 damage

the attack is an instant kill. youll know when it uses the attack but it has 5% chance to use this attack.