Bioweapon (3.5e Feat)

Author: Sulacu (talk) Date Created: September 18, 2009 Status: Complete Editing: Clarity edits only please

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Bioweapon [Xenotheric]

By altering your own genetic structure, you have gained a powerful special attack.

Prerequisite

Con 13 (+4 for every subsequent instance of this feat). The same prerequisites apply to Intelligence if the desired bioweapon is psionic.

Benefit

You gain a special biological weapon. Bioweapons can originate from any predetermined part of your body, such as the mouth, a limb or some other extremity or organ. Most bioweapons are offensive extraordinary abilities, although a certain few are psionic in nature.

Bioweapons require no attack rolls, but they are projected in either a 20-foot line, a 10-foot cone. The range of the bioweapon increases by 10 feet (line) or 5 feet (cone) for every 5 HD you have. Using a bioweapon is a standard action that does not provoke attacks of opportunity. If your bioweapon produces a substance like acid, gas or poison, you are immune to its effects.

Bioweapons have a number of charges equal to 3 plus your Constitution modifier. Every use of the bioweapon expends one charge, and charges are regained at a rate of 1 per minute. If you have multiple bioweapons, all of them use the same pool of charges.

Damage dealing bioweapons are measured in damage dice (dX), starting out at 2dX at 1 HD, becoming 3dX at 2 HD, and increasing by +1dX at every odd HD after 1st. (4dX at 3rd, 5dX at 5th, to a maximum of 12dX at 19th). The particular damage die type for any such bioweapon is listed between parentheses in the 'Damage Type' column in Table: Bioweapons.

A bioweapon save DC is Constitution-based if extraordinary, or Intelligence-based if psionic. Psionic bioweapons ignore line of effect and require a Will save for half damage.

Table: Bioweapons

Bioweapon	Type	Area	Damage Type (dX)	Secondary Effects
Acid spray	Ex	Line	Acid (d4)	Lingering damage 1d3 rounds
Corrosive gas	Ex	Cone	Acid (d6)	Corrosion
Cryonic burst	Ex	Cone	Cold (d8)	Slow1 1 round
Electricity bolt	Ex	Line	Electricity (d10)	None
Flame breath	Ex	Cone	Fire (d8)	Burn 1d3 rounds
Mind tremor	Ps	Cone	Untyped (d8)	Sickened for 1 round
Shooting spines	Ex	Line	Piercing (d6)	Poison1 on damage (1d6 Dex/1d6 Dex)
Sound burst	Ex	Cone	Sonic (d6)	Deafened1 1d6 rounds
Fortitude negates.

Burn: A bioweapon with this secondary effect sets fire to combustibles and unattended objects within its area of effect.

Corrosion: A bioweapon with this secondary effect deals double damage against any objects and creatures made of corrodable metals (such as iron golems).

Lingering Damage: A bioweapon with this secondary effect deals damage to an affected creature at the start of every turn equal to half the bioweapon's base damage for a specified number of subsequent rounds. Lingering damage does not stack; any additional rounds of lingering damage incurred through a recent use of the bioweapon overlap with any previous rounds remaining. Damage inflicted by the lingering damage effect counts as non-continuous for the sake of Concentration checks, and resists mundane and magical healing, as well as fast healing. Lingering damage can be removed only upon a successful Heal check against the bioweapon's save DC + 10 followed by mundane or magical treatment, or through natural healing no quicker than 1 hit point per HD per 8 hours.

Special

This feat may be taken multiple times. Every time it is taken, a different bioweapon is chosen from the table.

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