Homebrew Astrothrix Species Details

Astrothrix (Species Description)

Astrothrix are small-to-medium humanoids whose very bodies exist slightly out of phase with reality. Their skin shimmers like the void between stars, and their eyes reflect distant galaxies, sometimes flickering like a lagging video feed of the universe itself. When they move, the air seems to warp around them, subtle distortions making it hard to track them perfectly—like time itself hesitates at their presence.

They are masters of spacetime manipulation, capable of bending gravity, swapping places with allies or enemies, and phasing through attacks that would fell ordinary creatures. Their voices carry a strange echo, as if the words they speak have already traveled a fraction of a second through the future. Despite their alien nature, they are intelligent and curious, often studying the laws of the cosmos as if they were mere puzzles to solve.

Astrothrix rarely need more than a single meal a day, and their senses are attuned to the fabric of reality. They can detect distortions in space, hidden creatures, and the faintest ripples of other planes. In combat, their presence feels unnatural: gravity bends slightly toward or away from them, time slows or jumps in subtle bursts, and every movement carries the weight of a small physics exploit.

Astrothrix Traits

space

Quantum Step

Bonus Action: pick a creature or object within 30 ft.
Swap places with it (must be willing or fail a Con save).
Cooldown: PB + INT modifier per long rest
Flavor: your body “phases through spacetime” and occupies their coordinates for a split second.

Gravity Well

Action: create a localized gravity distortion in a 10 ft radius, 10 ft high
All creatures of your choice must succeed Str save or be pulled 5 ft toward the center
Optional: if a creature fails by 5+, knock prone
Short rest recharge

Temporal Feedback

Reaction: when hit by an attack or harmful spell, you may shift forward or backward in time by 1 second
Avoid the attack entirely if you succeed INT check vs spell/attack DC
1/long rest

Void Sight

You can see into other planes and minor distortions in spacetime.
Advantage on perception checks for hidden, invisible, or phased creatures.
Flavor: your eyes flicker like distant galaxies, see the universe lag.

Cosmic Surge

Once per long rest, add INT modifier to all attack rolls, saves, and skill checks for 1 turn
If used, you emit a minor gravity pulse that moves creatures 5 ft away from you
Visual: reality around you bends, stars shimmer, time wobbles

Phase Cloak

Passive: when you take damage, you may partially phase:

reduce damage by 2 + DEX modifier
enemies have disadvantage to hit you if you’re in dim light or darkness

Flavor: your body isn’t fully in our timeline; attacks sometimes “pass through”

Languages

Common + Deep Speech or Celestial
Optional: Primordial or Sylvan for extra otherworldly flavor
Eyes shimmer, voice slightly echoes, minor lag in reactions

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