For the duration, whenever you move, you transform into a bolt of instantaneous lightning. While in this form, your speed increases by 20 feet, you ignore difficult terrain, do not provoke opportunity attacks, and can move through creatures’ spaces (but not objects or impassable terrain). Your bolt hovers a few feet off the ground and can descend through open air, but this spell does not grant a flying speed. You must end your movement in an unoccupied space. If you end your movement in mid-air, you begin falling and take falling damage as normal from that point.
When you pass through a creature’s space, that creature must make a Dexterity saving throw, taking 3d6 lightning damage on a failed save, or half as much on a successful one. Each creature can take this damage only once per turn.
At Higher Levels: When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d6 and the speed increase by 5 feet for each slot level above 3rd.
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Posted Jan 17, 2026Bolt Dash – Design Justification
Bolt Dash is a 3rd-level transmutation that trades persistent area control for high-mobility, movement-based damage. It emphasizes tactical repositioning through enemy lines while delivering moderate damage.
Damage Comparison (3rd-level)
Bolt Dash matches Ashardalon’s Stride in damage but requires physical movement through enemies rather than leaving a persistent trail. Unlike Spirit Guardians’ automatic zone, Bolt Dash’s damage is limited to movement, reducing total damage output. The trade-off is enhanced mobility, including passing through creatures’ spaces and ignoring opportunity attacks.
Mobility Comparison
Bolt Dash provides weaker speed than Haste or Zephyr Strike and lacks Fly’s vertical freedom and Haste’s defensive bonuses. Its unique feature is phasing through creature spaces without provoking opportunity attacks, enabling hit-and-run tactics unavailable to other 3rd-level spells.
Design Rationale
Ground-only movement: Early versions allowed upward flight, but this made it strictly superior to Fly with added damage. Restricting it to ground-following movement (with safe descent) maintains balance while preserving the “lightning bolt along a path” theme.
Action economy: Making it an action, not a bonus action, prevents abuse with attack-heavy builds. Passing through creatures is powerful—bonus-action casting would be unbalanced.
Fall damage clause: You only take falling damage after your movement ends, reflecting that you are lightning in motion and humanoid when stationary. This prevents exploits while remaining thematically consistent.
Balance vs Similar Spells
Bolt Dash sits between pure mobility (Fly) and area denial (Spirit Guardians).
Damage: 3d6 once per turn (movement-based) vs 3d8 per turn in a radius for Spirit Guardians.
Mobility: Provides repeated movement through enemies, ignoring opportunity attacks—unavailable in other spells at this level.
Vulnerability: After movement, you return to normal form and can be attacked normally.
Concentration: Prevents stacking with other high-level buffs.
Best-case scenario: Move through 3 enemies in a line, dealing 9d6 (31.5 avg) while repositioning 60+ ft—matching a Fireball’s damage against a small group, but requiring precise positioning.
Typical scenario: Pass through 1–2 enemies, dealing 3–6d6 (10.5–21 avg) while escaping or repositioning. Lower sustained damage than Spirit Guardians but higher mobility and tactical flexibility.
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Posted Jan 19, 2026Well done!