Ring of the Juggernaut

A powerful ring that grants the wielder a stronger ability to deflect spells and attacks. It also can summon a construct to aid or the perfect defense against their enemies.

Ring of the Juggernaut

Ring

Legendary 1 hour Requires Attunement

This ring belonged to Crerare the Artificer and he only used it when he was in the midst of enemies.
While attuned to this ring your speed is 20 ft. Your base Armor class is 19 and your dexterity can be added to it.
The Ring has 5 charges. It regains 1d4+1 expended charges daily at dawn. Spells cast from the ring have a save DC 17.
Spell Reflection: As a reaction, you can use 3 charges to reflect a spell cast at you at the caster. If it is a spell 4th level or lower it happens automatically. On 5th level spells and higher, you must succeed on an Arcana check, the DC is 10+ the spell's level.
Using 2 charges you can cast the following spells, Otiluke’s Resilient Sphere or summon construct

A black ring with a giant onyx set into it.

Cost: 100,000 gp
Weight: .5 lbs