Arillius' Arcane Quiver

This black leather quiver is decorated with Abyssal runes and contains 1d4+1 Spectral arrows that are made to fight spellcasters, it can hold up to 10 arrows at a time. You can create a new arrow if you successfully kill a Humanoid creature, sacrificing its soul to the demon bound to the quiver.

You can shoot an arrow once per turn from any bow or crossbow, with one of the following properties(chose one) and Dexterety is your spell casting ability for any of the spells.

Concentration breaker: You can do a ranged attack that does an additional 2d6 force damage, you automatically hit if the target has a magical AC bonus(Mage armor, +1 Armor, ect.)

Antispell-shot: You cast Counter Spell  as a reaction using your weapons range.

Cleansing arrow:You cast Dispel Magic within your weapons range.

Field of the mage slayer: You shoot a arrow at a point within  range, a Antimagic field with a radius of 5ft appears where the arrow impacts. 

A arrow that is shoot is destroyed once the effect takes place or when a arrow misses, is intercepted, or counter spelled,

You also learn Abyssal as the demon starts whispering to you when spellcasters are within 60ft of you.    

Notes: Language: Abyssal, Ranger or Arcane Archer, Control, Combat, Sentient