Armiger

While unattuned to anyone this weapon appears as a glass orb filled with grey smoke.

As an action the wielder of the Armiger can change it into the form of one of 13 weapons. Each weapon is a +2 magic weapon with a special ability.

Sword of the Wise: Longsword (1d8)(Versatile, 1d10) 

This sword allows the wielder to cast Misty Step as a bonus action without using a spell slot.

Axe of the Conqueror: Greataxe (1d12)(Heavy, Two Handed)

This weapon acts as +4 greataxe, due to its extremely heavy nature it has a -2 to your AC while wielding.

Bow of the Clever: Longbow (1d8)(Range 150/600, Heavy, Two Handed)

Arrows from this bow appear as the bow is drawn. The arrow pierces through the first target and can hit a second enemy within five feet of the first. (Roll to hit both enemies)

Swords of the Wanderer: 2 Shortswords (1d6)(Finesse, Light)

A shortsword appears in each hand. When attacking if both blades hit add 1d6 slashing damage to the attack.

Blade of the Mystic: Longsword (1d8)(Versatile, 1d10)

When you damage a creature with this weapon who is focusing on a spell that creature has disadvantage on the saving throw to maintain concentration.

Star of the Rogue: Shuriken (1d4)(Range 20/60, Finesse, Thrown)

Two shuriken are thrown with each attack, the shuriken appear in your hand, at the end of your turn all thrown shuriken dissapear.

Sword of the Tall: Greatsword (2d6)(Heavy, Two Handed)

This greatsword with a serrated back deals 1d4 damage on a missed attack.

Shield of the Just: Shield+2 (1d6) (Heavy, Two Handed)

This shield can be used to make a bash attack. No other weapons can be held while wielding this shield.

Mace of the Fierce: Mace (1d8)(Two Handed)

On a critical hit with this weapon the creature hit makes a Constitution saving throw (DC14) on a failure a limb is broken. Limb determined by the DM or roll a d6 (1-2 leg is broken movement reduced by 10ft, 3-4 arm is broken no reactions or spells until the end of the creatures next turn, 5-6 head hit creature is stunned for one turn)

Scepter of the Pious: Quarterstaff (1d6)(Versatile 1d8)

This weapon counts as silvered and deals radiant damage instead of bludgeoning.

Trident of the Oracle: Trident (1d6)(Versatile 1d8, Thrown 20/60)

The wielder of this weapon can choose to make only one attack if they do the weapon produces an after image of the character and all attacks against them have disadvantage until the start of their next turn. (Any character without extra attack must use a bonus action to use this effect.)

Katana of the Warrior Katana (1d8)(Finesse, Versatile 1d10)

The wielder of this weapon can use a bonus action to make a single attack with this weapon.

Sword of the Father Longsword (1d8)(Versatile 1d10)

This sword grants a +2 to Strength. (can exceed 20 up to 22)

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

Notes: While attuned to this item you can attuned to no other items., Versatile, Sap