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SFS Standard Coposirix Creature 8

The rapid and careless industrialization of Tabrid Minor ruined the planet, particularly ravaging the population of copi—the coral that's the ancestor of the native copaxi people. In areas where the copi's magical connection to gravity was strongest, however, the rampant pollution instead mutated it into grotesque new forms. In a twisted mockery of copaxi evolution, clusters of copi fused together to form coposirixes, shambling mounds of mutated copi fused with a partial shell of crystallized waste that crackles and creaks as it moves. The form of a coposirix constantly changes, sometimes even taking on hauntingly humanoid features that melt away just as quickly.

Elite | Normal | Weak

Elite Weak Coposirix Creature 8

Source Alien Core pg. 28
Recall Knowledge DC 23 24 26 •
Aberration (Occultism)
Perception +13; darkvision
Languages Copaxi (can't speak any language)
Skills Athletics +18, Intimidation +16, Stealth +13
Str +6 Dex +4 Con +4 Int -1 Wis +3 Cha -5
AC 25
Fort +19
Ref +11
Will +16
HP 163
Immunities poison, polymorph
Resistances acid 8
Seep In [reaction] Trigger The coposirix takes damage; Effect The coposirix's body absorbs some of what damaged it until the end of its next turn, the material seeping into its constituent copi and changing its composition. The effects of this change depends on the nature of the damage.
Energy Damage The coposirix's attacks deal an additional 2d6 damage of the same type as the energy damage dealt to it.
Physical Damage The coposirix gains resistance 6 to physical damage. If the damage was dealt by a weapon made of a special material, such as silver, the coposirix's battering sludge Strike counts as that same material for the duration of the effect.
Speed 25 feet, climb 20 feet
Melee [one-action] battering sludge +18 (reach 10 feet), Damage 2d10+8 bludgeoning plus Knockdown
Ranged [one-action] caustic jet +15 (range increment 50 feet), Damage 2d8+6 acid
Falling Rush [two-actions] The coposirix bends gravity around itself, causing it to fall toward its target. The coposirix Strides up to twice its Speed in a straight line in any direction. If it ends this movement within melee reach of at least one enemy, it can make a battering sludge Strike against that target. After this attack, the coposirix falls if it isn't on a solid surface, taking half the normal amount of damage for the distance fallen and not falling prone. If the coposirix passes within 10 feet of another creature at any point during this movement, that creature is affected by the fluctuating gravity and must attempt a DC 25 Reflex save.
Critical SuccessThe creature can use the fluctuating gravity to its advantage to reposition itself. It can Step as a free action.
SuccessNo effect.
FailureThe creature is pulled 5 feet in the direction of the coposirix's travel. This follows the rules for forced movement. If at the end of this movement the creature is unsupported, it falls and lands prone, taking fall damage as normal.
Critical FailureAs failure, but the creature is pulled 10 feet and falls prone even if supported.

Coposirix on Other Worlds

During the rapid industrialization of Tabrid Minor, copaxis mined large quantities of copi to build starship hulls. Parcels of mined copi were illegally sold to offworld business ventures trying to develop uses for its gravitational connection, though none of their efforts have succeeded. Most exported copi are eventually dumped to mingle with other industrial waste. Occasionally, this practice gives rise to new coposirixes, often with strange new forms and abilities.