D&D 3e (3.0/3.5) Rules
by Clive Squire
Resistant Burst [Metamagic]
The ambient arcane energy that you draw and infuse your spells with is so powerful that while those resistant to the magic are safe, those around them suffer the backlash of energy.
Prerequisite: Greater Spell Focus, Greater Spell Penetration, Maximise Spell, Spell Focus, Spell Penetration, able to spontaneously cast spells.
Benefit: This metamagic can only be applied to spells targeting either a single creature or multiple creatures within a certain distance from each other, as denoted by the individual spell.
By drawing in ambient magic from around you, you increase the DC of the spell's save by +1, this is in addition to the benefits granted by the Spell Focus and Greater Spell Focus feats.
It is not until the Resistant Burst spell is targeted against a creature with spell resistance that the feat's true power becomes apparent. Any creature that has spell resistance that you fail to overcome causes the magical energies of your spell to chaotically flux and burst outwards from that creature, delivering the spell's effects to a 5 feet area around it.
This burst has the normal effects of the spell to all creatures and/or objects within the 5 feet radius. The spell loses all the benefits of all feats or special abilities that might normally affect it. Creatures and objects caught within the burst (other than the original creature, who is immune) are allowed any saving throw allowed by the spell and you must make a caster level check to overcome any spell resistance of those creatures, as normal.
Multiple creatures that you fail to overcome their spell resistance create multiple bursts, which may result in creatures making multiple saves and you making multiple spell resistance checks. Creatures whose spell resistance protects them from a Resistant Burst spell are immune to the bursts from other creatures from the same spell.
A Resistant Burst spell uses up a spell slot 3 levels higher than the spell's actual level. In addition, the spontaneous spellcaster must use 2 full round actions to cast a Resistant Burst spell (for spells with a casting time of 1 standard action or less) or an additional 2 full round actions (for spells with a longer casting time than 1 standard action).
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