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Summon Monster I
School conjuration (summoning) [see text]; Level antipaladin 1, bard 1, cleric/oracle 1, sorcerer/wizard 1, summoner 1, witch 1
CASTING
Casting Time 1 round
Components V, S, F/DF (a tiny bag and a small candle)
EFFECT
Range close (25 ft. + 5 ft./2 levels)
Effect one summoned creature
Duration 1 round/level (D)
Saving Throw none; Spell Resistance no
DESCRIPTION
This spell summons an extraplanar creature (typically an outsider, elemental, or magical beast native to another plane). It appears where you designate and acts immediately, on your turn. It attacks your opponents to the best of its ability. If you can communicate with the creature, you can direct it not to attack, to attack particular enemies, or to perform other actions. The spell conjures one of the creatures from the 1st Level list on Table: Summon Monster. You choose which kind of creature to summon, and you can choose a different one each time you cast the spell.
A summoned monster cannot summon or otherwise conjure another creature, nor can it use any teleportation or planar travel abilities. Creatures cannot be summoned into an environment that cannot support them. Creatures summoned using this spell cannot use spells or spell-like abilities that duplicate spells with expensive material components (such as wish).
When you use a summoning spell to summon a creature with an alignment or elemental subtype, it is a spell of that type. Creatures on Table: Summon Monster marked with an "*" are summoned with the celestial template, if you are good, and the fiendish template, if you are evil. If you are neutral, you may choose which template to apply to the creature. Creatures marked with an "*" always have an alignment that matches yours, regardless of their usual alignment. Summoning these creatures makes the summoning spell's type match your alignment.
Stat-blocks for all Summon Monster 1 monsters
Summon Monster II
School conjuration (summoning); Level antipaladin 2, bard 2, cleric/oracle 2, sorcerer/wizard 2, summoner 2, witch 2
This spell functions like summon monster I, except that you can summon one creature from the 2nd-level list or 1d3 creatures of the same kind from the 1st-level list.
Summon Monster III
School conjuration (summoning); Level antipaladin 3, bard 3, cleric/oracle 3, sorcerer/wizard 3, witch 3
This spell functions like summon monster I, except that you can summon one creature from the 3rd-level list, 1d3 creatures of the same kind from the 2nd-level list, or 1d4+1 creatures of the same kind from the 1st-level list.
Summon Monster IV
School conjuration (summoning); Level antipaladin 4, bard 4, cleric/oracle 4, sorcerer/wizard 4, summoner 3, witch 4
This spell functions like summon monster I, except that you can summon one creature from the 4th-level list, 1d3 creatures of the same kind from the 3rd-level list, or 1d4+1 creatures of the same kind from a lower-level list.
Summon Monster V
School conjuration (summoning); Level bard 5, cleric/oracle 5, sorcerer/wizard 5, summoner 4, witch 5; Domain darkness 5
This spell functions like summon monster I, except that you can summon one creature from the 5th-level list, 1d3 creatures of the same kind from the 4th-level list, or 1d4+1 creatures of the same kind from a lower-level list.
Summon Monster VI
School conjuration (summoning); Level bard 6, cleric/oracle 6, sorcerer/wizard 6, witch 6
This spell functions like summon monster I, except that you can summon one creature from the 6th-level list, 1d3 creatures of the same kind from the 5th-level list, or 1d4+1 creatures of the same kind from a lower-level list.
Summon Monster VII
School conjuration (summoning); Level cleric/oracle 7, sorcerer/wizard 7, summoner 5, witch 7; Bloodline aquatic 7
This spell functions like summon monster I, except that you can summon one creature from the 7th-level list, 1d3 creatures of the same kind from the 6th-level list, or 1d4+1 creatures of the same kind from a lower-level list.
Summon Monster VIII
School conjuration (summoning); Level cleric/oracle 8, sorcerer/wizard 8, summoner 6, witch 8
This spell functions like summon monster I, except that you can summon one creature from the 8th-level list, 1d3 creatures of the same kind from the 7th-level list, or 1d4+1 creatures of the same kind from a lower-level list.
Summon Monster IX
School conjuration (summoning); Level cleric/oracle 9, sorcerer/wizard 9, witch 9; Domain chaos 9, evil 9, good 9, law 9; Bloodline abyssal 9
This spell functions like summon monster I, except that you can summon one creature from the 9th-level list, 1d3 creatures of the same kind from the 8th-level list, or 1d4+1 creatures of the same kind from a lower-level list.
*Alternative Summoning Options
The alternative summoning options presented here are most definitely not "core" rules as they are provided only as campaign setting specific options in various Paizo Adventure Paths (AP). In most cases the options are tied to specific types of gods, cults, or groups where the types of creatures are appropriate. For example, clerics of a snake-god gain various snakes as alternative summoning options. Like any other campaign setting specific option, a player should ask his GM to look over and approve these expanded options if he desires to use them. The Source column indicates which Adventure Path or specific book included that creature as an alternative summoning option.
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* This creature is summoned with the celestial template if you are good, the entropic template if you are chaotic, the fiendish template if you are evil, or the resolute template if you are lawful; you may choose any if you are neutral.
1 The original source material did not explicitly state this but it can be assumed the intent is to use the creature indicated but with the Young Creature template applied. The GM will need to adjust the creature with this template if d20pfsrd.com has not already created one with it applied.
2 This creature has the extraplanar subtype but is otherwise normal for its kind.
3 Adventure Path #29 refers to this monster as "Cerberai" but we could not find that exact named monster. We believe that the linked to monster is appropriate however.