Re: New Spell: Endless Atmosphere

Revision II:

Endless Atmosphere
Conjuration (Creation)
Level: Cleric 9, Druid 8, Sorcerer/Wizard 9, Creation
9
Components: V, S, M, XP
Casting Time: 1 minute
Range: Touch
Target: One ship, size huge creature or larger, or
planetoid
Area of Effect: One ship, size huge creature or
larger, or planetoid
Duration: Permanent, see text
Saving Throw: None (harmless)
Spell Resistance: No

Endless Atmosphere creates an eternally regenerating
air envelope of fresh air surrounding a spelljamming
ship, a small planetoid, or even a single living
creature of huge size or larger.  The air can be
fouled by the standard means, such as by spell or by
contact with the fouled atmosphere of a ship.  The
spell will drive out this fouled air and restore the
ship to the condition of fresh.

Endless Atmosphere creates air at the rate of 2
man-hours per round, or enough fresh air for 1,200
man-sized creatures.  Should a ship’s atmosphere
become fouled, deadly, or destroyed entirely, Endless
Atmosphere will renew or create a new atmosphere at
the rate listed above.  If another ship’s air envelope
comes in contact with that of the target ship, the
spell will restore the combined air envelope as above.

This spell does not function when in the Phlogiston. 
Should a ship with an Endless Atmosphere enter the
Phlogiston, the spell will cease working and the
ship’s atmosphere will degrade as normal.  When the
ship returns to wildspace, the spell will once again
begin regenerating the ship’s atmosphere.

The spell ends if the target is destroyed.  The spell
can only be cast on objects of planetary size Fine (A)
or smaller.  Thus, an Endless Atmosphere might be cast
on a small asteroid to create a stable atmosphere, and
over time, a living oasis in wildspace.  For objects
larger than 200 spelljammer tons, multiple Endless
Atmosphere spells can be cast on the same object. 
This effect can be used, for example to create a
stable atmosphere for a city built on an asteroid,
such as the Rock of Bral.

Material Component: A small platinum box with tiny
slits in two sides.  Inside this box are several silk
screens.  The box costs 1,000 gp to construct.  The
box is consumed in the casting.




 
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