Azor's Spell Piercer Saga

You pierce the weave of magic and form tendrils of abjuration magic that can lash out towards incoming magical effects. Your Initial Casting of this Saga you creates 4 visible tendril's of abjuration energy around you. You may use your reaction to cause any number of tendrils to target any spell being cast within 60 feet that you can see. Each tendril is capable of nullifying a single spell level.  If the Spell's level is less than or equal to the number of tendril's targeting it, the spell fails and has no effect. If the target spell is higher level than the amount of tendrils targeting it, make an ability check using your spellcasting ability. The DC Equals 15 + the spell's level, subracting 2 for each tendril targeting the spell.

Each round you maintain concentration on this spell, You Produce the following Persistent Effects:

Round 2-4. You create 2 additional tendrils of abjuration magic

Round 5. When this Saga is complete, any remaining tendrils stay with you for 10 minutes before dissipating into the weave.