Festering Blast
2024 Rules
- Level & School
- 4th-level necromancy
- Casting Time
- Action
- Range
- Self (60-foot line)
- Components
- V, S
- Duration
- 1 minute
- Classes
- Druid, Sorcerer, Warlock, Wizard
- Source
- Arcana Unleashed
A 60-foot-long, 10-foot-wide Line of miasma blasts from you in a direction you choose. Each creature in the Line must make a Constitution saving throw. On a failed save, a target takes 4d10 Necrotic damage and has the Poisoned condition for the duration.
A creature Poisoned by this spell takes 2d10 Poison damage at the start of each of its turns. At the end of each of its turns, a Poisoned target repeats the save, ending the spell on itself on a success.
Using a Higher-Level Spell Slot. The initial damage increases by 1d10 for each spell slot level above 4.
Festering Blast 5.5e 2024 vs. 5e 2014 edition differences
Festering Blast is a new spell for the 2024 edition.
How popular is Festering Blast in 5e?
Festering Blast is the #24 most popular level 4 spell (of 60) and the #6 most picked level 4 Warlock spell (of 19).
Among level 4 spells, Festering Blast ranks just below Raulothim's Psychic Lance and just above Stoneskin in popularity.
- #291 (of 580) most popular 5e spell
- #24 (of 60) most popular level 4 spell
- #6 (of 19) most picked level 4 Warlock spell
- #18 (of 43) most picked level 4 Wizard spell
- #12 (of 22) most picked level 4 Sorcerer spell
- #14 (of 25) most picked level 4 Druid spell
Read about how this popularity data is calculated and see Festering Blast visualized with all other 5e spells.
Spells similar to Festering Blast
Blight 4th-level necromancy
It shares the same level, school, damage type, and several class lists, though it focuses on a single target.
Players prefer Blight over Festering Blast
Cloudkill 5th-level conjuration
Both deal poison-themed damage to multiple creatures and continue threatening targets over several turns.
Players prefer Cloudkill over Festering Blast
Sunbeam 6th-level evocation
Both originate from the caster and project repeated multi-target damage through a long line.
Players prefer Sunbeam over Festering Blast
Sickening Radiance 4th-level evocation
This fourth-level spell also combines recurring area damage with a debilitating effect that rewards keeping enemies in danger.
Players prefer Festering Blast over Sickening Radiance
Grave Ground 5th-level necromancy
The necrotic damage, one-minute duration, and broad battlefield threat closely match its attritional combat role.
Players prefer Festering Blast over Grave Ground
Tasha's Caustic Brew 1st-level evocation
Its line-shaped opening attack and ongoing damage make it a close lower-level counterpart.
Players prefer Festering Blast over Tasha's Caustic Brew