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Summon Insects (innate) is an innate spell ability available to black and green dragons and is similar to the Creeping Doom Spell.


When the caster utters the spell Creeping Doom, he calls forth a horde of venomous, biting and stinging arachnids, insects, and myriapods. This carpet-like mass swarms over a large area, spreading to all creatures within 30 ft. of the target. Those trapped by the insects suffer 2 points of damage each second and a spell failure rate of 100%. For each round the victim remains inside the cloud, he must make a Save vs. Spell at -2 or run away in fear for one round. The advantage of Creeping Doom over the 5th-level counterpart Insect Plague is that it does twice as much damage in half the amount of time.


  • Similar in most aspects to the Druid/Ranger/Shaman Creeping Doom spell, this innate version is scripted to be launched by the creature as "force cast", and thus has no chance of being disrupted or interrupted and is immune to miscast magic effects.
  • It behaves in all other ways as the Divine spell.

Mod content[]

Mods icon This section is about unofficial content that is only available via fan-made mods.

Sword Coast Stratagems mod will install the following: Rebalance Insect Plague spells (and the like)

In the unmodified game, Insect Plague and Creeping Doom (and, to a lesser extent, Summon Insects) are very hard indeed for a spellcaster to deal with or defend against. This component (which was partly inspired by Demivrgvs's Spell Revisions) grants a per-round saving throw against the spell-failure effects of the insects. It also handles the insects more systematically as summoned creatures: they cannot harm or affect creatures immune to nonmagical weapons; they are unaffected by antimagic or by Dispel Magic; they will not attack undead creatures, and cannot penetrate the extreme heat or cold of a Fire Shield.


  1. Internally, this spell's range is 160 ft. Targets must be within the caster's line of sight, limiting this to roughly 26 feet.