Baihu, Freezing Flame Hook Blades

You gain a +3 to attack and damage rolls with this weapon

Frozen Hell Rend: when landing a critical hit roll 1d4 and subtract that number from the targets AC. Can only be done once to a target

Blazing Whip: The hook blades can be joined together to increase the range to 10ft and deal 2d8 slashing plus 2d4 cold and gains the ability to topple.  Cost: 1 attack plus a bonus action

Moon Touched: When you draw this weapon, you can extinguish all nonmagical flames within 30 feet of yourself. Once used, this property can’t be used again for 1 hour.

Frost Bite: when attacking a creature you can use a charge to attempt to disarm them of one item they’re holding. Add a d6 to the weapon as cold damage and the target must succeed a strength saving throw against the total damage of your attack (creatures at least one size larger have advantage) if the creature fails they are disarmed and cannot pick up that item until after your next turn. This weapon has 3 charges per long rest

Proficiency with a Shortsword allows you to add your proficiency bonus to the attack roll for any attack you make with it.

Notes: Damage: Slashing, Damage: Cold, Weapon Mastery: Topple (Lance), Weapon Mastery: Topple (Lance), Obtaining both blades and communing with Baihu, Finesse, Light, Vex