Ultimate Spheres of Power
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Swarm Form (Su)
At 1st level, for a number of rounds per day equal to his class level plus his casting ability modifier, the swarmheart may divide himself into a swarm of vermin. The swarm can be composed only of Tiny creatures. This size cannot be altered by the Size Change talent of the Alteration sphere, enlarge person, or other effects. While in swarm form, the swarmheart gains a move speed of 20 feet plus 5 feet per 5 class levels and can move through small holes and openings that are large enough for the individual creatures.
While in swarm form, the swarmheart may climb virtually on any surface, no matter how slick or sheer; he can climb and travel on vertical surfaces or even traverse ceilings as well as a spider does. While in swarm form, the swarmheart does not need to attempt Climb checks to traverse a vertical or horizontal surface (even upside down). He cannot attack or cast spells or sphere abilities with verbal, somatic, material, or focus components while in swarm form. If he has a touch spell or sphere ability ready to use, that spell or ability is discharged harmlessly when the swarm form is in effect. Entering swarm form is a move action and ending it is a free action.
The swarm fills a 10-foot square (or cube if flying with the swarm flight haunt) and has a reach of 0. The swarm gains a 25% ability to ignore critical hits and precision damage, which increases by 25% per 5 class levels to a maximum of 100%. The swarm has the distraction ability, forcing any creature that takes swarm damage to attempt a Fortitude save with a DC of 10 + 1/2 class level + Constitution modifier to avoid being nauseated for 1 round. Spellcasting or concentrating on spells within the area of a swarm requires a magical skill check (DC 20 + 1/2 caster level). Using skills that involve patience and concentration while in the swarm requires a DC 20 Will save.
The swarmheart may choose to ignore any creatures in his space, choosing to not deal the swarm damage, force magical skill checks to cast spells, or force Will saves to perform skills. The swarm is incapable of performing combat maneuvers and cannot be tripped, grappled, or bull rushed. The swarmheart in swarm form takes half damage from slashing and piercing weapons and 50% more damage from effects that affect an area.
Swarmhearts in swarm form do not threaten creatures, and do not make attacks of opportunity with his swarm attack. The swarm automatically deals 1d6 plus Constitution modifier damage to any creature whose space it occupies at the end of his turn. This damage increases by 1d6 per 5 class levels. Swarm attacks are not subject to a miss chance for concealment or cover. The individual creatures in the swarm may appear to be any suitably sized creature of the vermin type.
A swarmheart in swarm form does not gain any special protection from mind-affecting effects.
This is a polymorph effect. The swarmheart gains the shapechanger subtype. The swarmheart counts have possessing the Swarm Shape talent of the Alteration sphere for the purposes of meeting feat prerequisites. Traits that require being in the form of a swarm may be applied to swarm form.
This replaces wraith form, but any feat, haunt, or other ability that would affect the duration or activation of wraith form may instead be applied to swarm form.
Swarmheart Haunts
The swarmheart has exclusive access to the following haunts:
Divided Self
While in swarm form, the swarmheart gains a +4 bonus on saves against effects that target individual creatures.
Poison (Ex)
The swarmheart’s swarm attack poisons targets in addition to dealing damage. (Injury, DC 10 + 1/2 class level + Constitution modifier, frequency 1/round for 6 rounds, effect 1d2 Constitution damage, cure 1 save).
Shrink Swarm (requires swarmheart 10)
The size of the creatures in the swarmheart’s swarm is reduced to Diminutive, gaining immunity to weapon damage.
Swarm Flight (Ex)
While in swarm form, the swarmheart gains a fly speed (perfect) equal to the ground speed granted by swarm form.
U: Part of Ultimate Spheres of Power and does not need to be bought separately from that book