Unarmored Defense. While wielding at least one blade and not wearing armor or wielding a shield, the weaveblade has an AC of 20.

Weavehand. The weaveblade knows the mage hand cantrip and can cast it without verbal or somatic components and can make the spectral hand invisible.

Weavespeak. The weaveblade can speak telepathically to any creature within 60 ft. The telepathic utterances are in a language it knows and the creature understands the weaveblade if it knows that language. This communication doesn't give the creature the ability to respond telepathically.

Spellcasting. The weaveblade is a 17th level spellcaster. Its spellcasting ability is Intelligence (spell save DC 19, +11 to hit with spell attacks). The weaveblade has following artificer spells prepared:
Cantrips (at will): guidance, magic stone, mending, shocking grasp
1st level (4 slots): absorb elements, catapult, charm person, cure wounds, expeditious retreat, jump, thunderwave
2nd level (3 slots): enhance ability, hold person, levitate, spider climb, suggestion
3rd level (3 slots): beacon of hope, haste, intellect fortress, revivify, sending
4th level (3 slots): arcane eye, confusion, dominate beast
5th level (1 slot): animate objects, hold monster, telekinesis

Multiattack. The weaveblade makes two attacks.

Weaveblade Attack. Melee or Ranged Weapon Attack: +13 to hit, reach 5 ft. or thrown range 30/60 ft., 1 target. Hit: 14 (1d12 + 7) radiant damage.

Magic Stone Attack. (Bonus Action spell to activate) Ranged Spell Attack: +11 to hit, range 60ft., 1 target. Hit: 9 (1d6 + 5) bludgeoning damage.

Weavespeak. The weaveblade can cast the detect thoughts spell without any components. The weaveblade can [Tooltip Not Found] once per day.

Weaveshield (5/day). While wielding at least one blade, the weaveblade can take the dodge action. When doing so, any creature of it's choice within 5 ft. is protected by three-quarters cover until the start of the weaveblade's next turn. If any protected creature is targeted with an an attack roll, the weaveblade expends their reaction to provide this cover. If a protected creature moves further than 5ft. away, they lose this benefit. 

Weavehand Shove. The weaveblade can telekinetically shove one creature within 30 ft. The target must make succeed on a Strength saving throw (DC 19) or be moved 20 ft. in any direction. A creature can willingly fail this save.

Weaveblade Offhand Attack. (Two-Weapon Fighting) Melee or Ranged Weapon Attack: 11 to hit, reach 5 ft. or thrown range 30/60 ft., 1 target. Hit: 7 (1d12) radiant damage.

Weavepull. The weaveblade can recall a one blade within 30 ft. to their hand.

Evasion. The weaveblade can instinctively dodge out of the way of certain area effects. When the weaveblade is subjected to an effect that requires a Dexterity saving throw to take only half damage, the weaveblade instead takes no damage on a success, and only half damage on a fail.

Weavecatch. While wielding at least one blade, the weaveblade can use their reaction to become immune to lightning damage until the start of their next turn as the weaveblade absorbs and disperses this energy.

Weavedeflect. While wielding at least one blade, the weaveblade can deflect incoming ranged weapon attacks. Roll 1d10+5. If the damage is reduced to 0, the missile is deflected and the weaveblade can make a ranged attack with the missile as part of the same reaction. +11 to hit, range 30/60 ft. The damage is whatever was originally rolled as damage for the attack.