You try to interrupt a spell that a creature is casting. If the creature is casting a spell with a ring order of 3 or lower, its spell fails and has no effect.
- Level: 3
- Casting time: Special
- Range: 60 feet
- Components: S
- Duration: Instantaneous
If the creature is casting a 4th-level or higher ring-level spell, you make an attribute check with the key cast attribute, and its check DC is equal to 10 + the ring-level of the target spell.
If the check succeeds, the target spell fails and has no effect.
Ascending ring cast effect. When using a 4th-level or higher spell slot to cast the spell, if the ring order of the interrupted spell is not higher than the ring slot of the spell slot you are using, the target spell is directly interrupted.