Artblade

+3 Longsword (finesse)
Damage:
 1d8 slashing + 1d8 force
The blade constantly burns with blue-silver flame.

Sets the wielders Intelligence to 21.

Base Abilities
Symphony of the Weave
The blade acts as an arcane focus.
You can cast spells while wielding the blade even in heavy armor.

Spellblade Casting
When casting a spell of 1st level or higher:
Add +1 damage die to the spell.
Example:
 Fireball → 9d6 instead of 8d6

Counter Symphony
1/day
As a reaction when a spell is cast within 60 ft:
Make an attack roll with the blade vs spellcaster’s spell save DC.
On success the spell is countered.

Call the Blade
Bonus action.
The blade teleports to your hand from any distance or plane.

Sight of the Weave
Constant Detect Magic.

Unique Abilities
Rogue Arcana
When Liam hits with Sneak Attack:
He may convert half the Sneak Attack damage into force damage.

Spellstep
When casting a spell of 1st level or higher:
Liam may teleport 10 ft before or after casting.

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

Notes: Weapon Mastery: Vex (Shortsword), Bonus: Magic, Weapon Property: Finesse, Set: Intelligence Score, Damage: Force, Requires Attunement from a Good Creature. Chosen by the the Artblade, Focus, Versatile, Sap