Castform

Elemental, Small

Available with DM subscription

Racial Traits

Speed 25 ft., fly 30 ft.
Age 2–60 years (rarely endure longer than a century)
Languages Common, Primordial (Auran dialect)
Alignment Tendencies True Neutral, Chaotic Neutral, Neutral Good

Ability Score Increases

Emberline (Heat Wave Castform)
CONSTITUTION
+2
INTELLIGENCE
+1
OR
Squalline (Rainstorm Castform)
DEXTERITY
+2
CHARISMA
+1
OR
Rimeline (Snowstorm Castform)
WISDOM
+2
CHARISMA
+1

Racial Features

Boundless Flight

You have a flying speed of 30 feet. You can't use this flying speed if you are wearing medium or heavy armor, carrying another creature, or encumbered. When you fall, you descend gently at a rate of 60 feet per round, taking no falling damage and landing on your feet.

Usage: passive

Barometric Sense

You innately read the air around you. You always know the current temperature, wind direction, and air pressure, and you can accurately predict the weather for the next 24 hours. Additionally, you have Advantage on ability checks made to notice approaching creatures or weather phenomena while outdoors.

Usage: passive

Vapor Slip

Your body is only semi-tangible. As a Bonus Action, you can briefly loosen your form into drifting vapor, gaining the ability to move through openings or gaps at least 1 inch wide (including under doors and through arrow slits) until the end of your turn. You can't end your turn inside an object or a creature; if you do, you are shunted to the nearest unoccupied space and take 1 Force damage per 5 feet shunted. You can use this trait a number of times equal to your Proficiency Bonus, regaining all uses on a Long Rest.

Usage: proficiency_bonus_per_long_rest

Boundary-Born Adaptability

You coalesced on the seam between clashing air masses, and extremes of climate barely register. You suffer no ill effects from Extreme Heat or Extreme Cold (as described in the rules for environmental dangers), and you need only half the usual amount of water per day. Your Climate Lineage grants you additional adaptations.

Usage: passive

Rules Compatibility

Primary Ruleset D&D 5.5 / SRD 5.2
Compatible Rulesets D&D 5.5 / SRD 5.2, D&D 5e / SRD 5.1
Ability Scores lineage-granted, fixed +2/+1 with optional flexible assignment per 2024 rules, never exceeding +3 total per playable combination.
Balance Notes Each lineage delivers a complete +2/+1 package (or can be treated as flexible per 2024 rules), exactly +3 total. The base grants movement utility (capped flight with fall-safety), sensory and environmental flavor, and a limited-use Vapor Slip rather than stacking combat power. Each lineage provides one damage resistance with one modest rider (halving Reaction, terrain negation, or a single low-level spell), keeping overall power comparable to Dragonborn, Aarakocra, and Goliath options.

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