Shard of Sahandrian

The blessings of the Seldarine reaches far, and occasionally those who worships and are taught how to wield divine power may take on aspects of the weapons of the gods. Shards of Sahandrian are those who silently fills out the wills of Corellon, secretly vanquishing foes that threaten elven civilization.

Bonus Proficiencies

When you choose this archetype at 3rd level, you gain proficiency with acrobatics and athletics

Sixth Sense

The Shard is filled with a new sense of danger, alertimg them of unexpected danger (To themselves or an ally) within 10 feet of the shard's current position. Although the exact nature of the threat is never revealed, the shard does realize that something dangerous is about to occur a moment before the event unfolds.
The shard receives a +5 bonus to initiative rolls, cannot be surprised and has advantage on dexterity saving throws against effects that it can see.

Free Spirit

You are immune to the Paralyze condition. At level 9 of this subclass, this upgrades to also give immunity to the Petrified Condition. At 13th level, this ability gives advantage on checks against being afflicted with the Frightened condition. At 17th level, the shard also has advantage on checks against being Stunned.

Arcane disruption Strike

When an enemy within 60 feet of you (That you know of) is about to cast a spell or a magical effect (Like dragons breath), you may attack them once as a reaction with your currently held weapon. You can choose to teleport in a bright flash of light right in front of the enemy to take the attack, or take the attack where you stand, if your current weapon has the THROWN or RANGED property.

The attack will hit before the magic is casted or activates, but if it kills the enemy casting it, roll on the sorcerer wild magic table

You can use this feature a number of times equal to your proficiency modifier, and you regain all expended uses of it when you finish a long rest.

Strike of Arborea

You gain the ability to infuse your weapon strikes with the magic of Arborea. once on each of your turns when you hit a creature with a weapon attack, you can cause the attack to deal an extra 3d8 radiant or force damage. When you reach 17th level, the extra damage increases to 4d8. Goblinoids (Goblins, Hobgoblins, Bugbears, etc) and Orcs take an extra 1d8 damage from this feature.

Strike of the Mythal

Starting at 17th level, you become an incarnation of the favored weapon of Corellon. When you attack and hit a creature that is surprised or stunned, it must make a Constitution saving throw (DC 8 + your Dexterity modifier + your proficiency bonus). On a failed save, double the damage of your attack against the creature. On a critical hit, the target instantly fails(unless they are a creature with legendary resistance/actions) and takes triple damage from your critical hit instead of double.