Ability:Chain Lightning

 Power sources: ✨Magical🔄Rotator💧Storm✨Spell

 Effect types: 💢Damaging🔊Loud⚡️Lightning

 Delivery: 🔮Conjured➰Cascade⚡️Ray( 🎯AV0🏹Missile⚔️Attack )

 Target: 👤Creature( Hit target's AC. )

 Casting time: 1️⃣Single action( ➡️Active )

 Cost and components: 🩵2 MP

 Duration: Instant.

 Range: 60 feet.

 Expansion range: 60 feet.

 Expansion cap:  2 extra executions.

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 On critical hit: Double the damage dice dealt by this ability. On hit: Deal 1d8 magic damage to target. Heightened: For each additional MP spent, deal an additional 1d8 magic damage. The cascade also executes an additional time.