Flash of Genius

you've gained the ability to come up with solutions under pressure. When you or another creature you can see within 30 feet of you makes an ability check or a saving throw, you can use your reaction to add your Intelligence modifier to the roll.

You can use this feature a number of times equal to your Intelligence modifier (minimum of once). You regain all expended uses when you finish a long rest.

Spellcasting. Yuki is a level 9 spellcaster. her spellcasting ability is Intelligence (spell save DC 17, +9 to hit with spell attacks). Yuki has the following Artificer spells prepared:

Cantrips (at will): Shocking grasp, light,mending,

1st level (4 slots): cure wounds, grease, absorb elements, [Tooltip Not Found]heroismshield

2nd level (3 slots): blur, spider climb, webinvisibilitybranding smitemirror image

3rd level (2 slots): protection from energy, Ashardalon's Stride, tiny servant conjure barrage

Stealth weave cloak

While you wear this cloak with its hood up, Wisdom (Perception) checks made to see you have disadvantage, and you have advantage on Dexterity (Stealth) checks made to hide, as the cloak's color shifts to camouflage you. Pulling the hood up or down requires an action.

Multiattack Yuki makes 2 attacks with her Lazer pistol.

Lazer pistol Ranged Weapon Attack: +9 to hit, range 60/120 ft., one target. Hit:11 (2d6 + 5) radiant damage. Yuki makes 2 attacks with her lazer pistol

Weak point analysts, make an investigation check vs targets athletics, on a success, for the next minute you and your allies may add a d6 to attack rolls made against that enemy. on a failure, the target is immune to this ability for 24 hours, you may use this feature a number of times per day equal to your intelligence modifier, (5), in addition you may only focus on a single target at a time.

Repulsion Shield

The shield has 4 charges. While holding it, the wielder can use a reaction immediately after being hit by a melee attack to expend 1 of the shield's charges and push the attacker up to 15 feet away. The shield regains 1d4 expended charges daily at dawn.

Mind Sharpener

The infused item can send a jolt to the wearer to refocus their mind. The item has 4 charges. When the wearer fails a constitution saving throw to maintain concentration on a spell, the wearer can use its reaction to expend 1 of the item's charges to succeed instead. The item regains 1d4 expended charges daily at dawn.

Shield

An invisible barrier of magical force appears and protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack,