Executioner's Blade

Summon a Blade into your hand on your command, This weapon glows faintly, It can be used as a light source and can be adapted to any Element. The element is chosen when summoned and cannot be changed unless a DC of 18 is hit, plus Intelligence Modifier. 

When used outside of combat,The Executioner's Blade grants a +1d6 bonus to Intimidation checks. You can also deal 2d4 damage to inanimate objects based on the chosen element (e.g., fire for burning wood). If the weapon is dropped or removed from the Summoner's Hand, It shatters like glass and is unrepairable.

When used inside of combat, You can make a melee attack with the Executioner's Blade, dealing 1d10 * spell level damage (3d10 at 3rd level) plus your Intelligence modifier, plus an additional 1d4 of the chosen elemental damage. If the attack is lethal, the blade’s glow intensifies, causing you to take 2 damage and granting a bonus 1d4 damage to your next melee attack. If the attack is non-lethal, the blade shatters, becoming unusable and dealing 1d4 slashing damage plus 1d4 elemental damage to the target.