These gauntlets once belonged to an rogue whom tried to steal from the cult of Bhaal and failed.  As punishment, this rogue was meant to do an impossible task, which involved assassinating the king of Praesidia and his bastard daughter.  This rogue unfortunately came into contact with another group trying to do the same task, which lead to this rogues demise.  

While attuned to this artifact you gain a +3 bonus to AC.  You always seem to have Thieves Tools on you when you need them.  You are granted the Poisoner and Observant Feat.

Hands On Approach:  While attuned to this gauntlets, you know where to strike where it hurts the worst.  Your unarmed attacks deal 4d8 bludgeoning/piercing/slashing damage + 4d8 necrotic damage.  You may make two attacks as part of your bonus action and when landing a critical hit, you may leave your target with a grievous injury giving them disadvantage on their next attack roll, saving throw, and cutting their movement speed in half.  Targets hit by your melee attacks must make a CON saving throw or fall under the poisoned condition.

Magic Touch:  You know the cantrip Mage Hand and may use it to a degree befitting that of the Arcane Trickster Rogues.  Your Mage Hand can actually interact, pick up, and push/shove objects that are medium sized or smaller.  This hand also become invisible and are able to move it up to 60 feet per round.

Vorpal Spear:  A number of times equal to your proficiency modifier, you may turn your Hands on Approach into a lethal killing weapon by putting your hand in a spear like motion.  If a target is 100 hit points or lower, you may make an attack roll and if it hits the target, you immediately pierce their chest and rip out their heart, similar to a Power Word Kill.

Confidence and Stride:  While attuned to this artifact, you gain the Swashbucklers Fancy Footwork, Panache, and Rakish Audacity.  While attuned to this artifact, your INT is set to 30.

Fast Hands:  You have advantage on on Sleight of Hand checks made with these gloves.  You also gain advantage on all stealth checks made while wearing these gloves.  

Hidden Cache:  While attuned to this artifact, you gain the ability to hurl a portable hole to hold your loot.  You may have three active at any given time and may designate which one holds what.  However, be careful to not hurl these two as most know what happens when you mix two interdimensional spaces with each other.

• 2 Minor Detrimental Properties:  Nonmagical flames seem to extinguish when within 30 feet of them.  You become enticed to steal greater treasures at higher risks for the thrill of it.
• 2 Major Detrimental Properties:  You lose the ability to speak.  The first time you attune to this item, an enemy of the DM's choice experiences a substantial stroke of good fortune. This can be the recruitment of a new unexpected ally, an upgrade of their forces, or even the surprise advancement of one of their goals. The DM is encouraged to let you know exactly how your attunement has advanced the goals of your enemy.
• 2 Minor Beneficial Properties:  You are immune to disease.  You gain the cantrip Green Flame Blade.
• 2 Major Beneficial Properties:  Your Dex increases by +4 to a max of 24.

   Murderers Blessing:  While attuned to this artifact and another sharing the same boon as it, may take only 1 attunement slot.  While attuned this way, either your INT, CHA, or STR is boosted to 30.

1. Boon of Combat Prowess:  When you miss with a melee weapon attack, you can choose to hit instead. Once you use this boon, you can't use it again until you finish a short rest.
2. Boon of Fortitude:  Your hit point maximum increases by 40.
3.  Boon of Invincibility:  When you take damage from any source, you can reduce that damage to 0. Once you use this boon, you can't use it again until you finish a short rest.
4. Boon of Irresistible Offense:  You can bypass the damage resistances of any creature.
5.  Boon of Recovery:  You can use a bonus action to regain a number of hit points equal to half your hit point maximum. Once you use this boon, you can't use it again until you finish a long rest.

Notes: Master Thief