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monster

Fractine

Fractine
Fractine
CR 9
Large Construct, Neutral
Reveal Stat Block
Armor Class
14 (natural armor)
Hit Points
110 (13d10 + 39)
Speed
fly 60 ft. (hover)
str
1
-5
dex
13
+1
con
16
+3
int
18
+4
wis
18
+4
cha
11
+0

Traits

Magic Resistance.The fractine has advantage on saving throws against spells and other magical effects.
Scrying Focus.A spellcaster can use the fractine as a substitute focus when casting the scrying spell or similar magic, provided the spellcaster and the fractine are within 5 feet of each other.
Two-Dimensionality.The fractine can occupy another creature's space and vice versa. It can move through other creatures and objects as if they were difficult terrain, but it takes 5 (1d10) force damage if it ends its turn inside an object.
Unusual Nature.The fractine doesn't require air, drink, or sleep.

Actions

Extradimensional Touch.ms 5 to hit, reach 5 ft., one target. ({@damage 8d6) force damage.
Reactions.Reactions the creature can take:
Mirrored Damage.In response to being damaged by a creature it can see within 120 feet of itself, the fractine forces that creature to make a 16 Constitution saving throw. On a failed save, the creature takes 24 (8d6) force damage. On a successful save, the creature takes half as much damage.
Split.When a Large fractine that has at least 10 hit points remaining takes bludgeoning, piercing, slashing, or thunder damage from any source, it splits into two Medium fractines. The new fractines occupy the space formerly occupied by the original fractine, and each new fractine has hit points equal to half the original's, rounded down. If the original fractine had a creature trapped in its demiplane, that creature is released when the fractine splits, reappearing in an unoccupied space as close to the new fractines as possible.

Fractine

I've encountered a creature unlike any other in the multiverse: a flickering mirror tumbling across the Astral Sea toward some unknown destination, with a beholder's distorted reflection in its surface. Initially, I feared it was some kind of vessel. Now I believe the beholder was the mirror's prisoner.

As the flickering mirror approached me, I grew fearful. Would it imprison me as well? Luckily, it didn't. As it hovered next to me, I felt a curious tingling sensation. When I tried to touch it, the mirror withdrew slightly, as though it feared some harm might befall it or me. I remember casting a spell or two, hoping to communicate with the creature. A few seconds later, it stopped flickering and flew away. I think it feeds on magical energy.

This entity has piqued my curiosity. I must learn more. To the library at Starhold!

A fractine is a bizarre, two-dimensional creature that flies through Wildspace and the Astral Sea, folding and refolding like a piece of origami. When it encounters another creature, it flattens into a plane that resembles a trapezoidal mirror between 9 and 13 feet tall.

Astral explorers who have encountered fractines attest that the creatures are intelligent and often allow themselves to be used as scrying sensors, their reflective surfaces substituting for the mirror needed to cast certain divination spells. While being used in this way, the fractine siphons magical energy from the spellcaster—not enough to cause harm, but enough to make the caster take notice.

A fractine needs light and magical energy to survive. It can draw sustenance from a nearby light source, spellcaster, magic item, or magical effect without causing harm to anyone or anything. A fractine that doesn't consume light or magical energy for ten days begins to flicker. A day later, it folds in on itself and self-destructs, leaving no trace of itself behind. The destruction of a fractine is accompanied by a loud sound reminiscent of shattering glass.

A fractine attacks by falling on its targets, dealing damage as it passes through them. A fractine can also imprison a creature inside a demiplane contained within its two-dimensional form, the prisoner's distorted reflection visible in the fractine's glassy surface.

Bludgeoning, piercing, slashing, and thunder damage can cause a fractine to break into two smaller fractines, each one autonomous and capable of imprisoning creatures. When a fractine dies, it folds in on itself and disappears, releasing any creature trapped inside it.