MSRD:Explosives and Splash Weapons

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Explosives and Splash Weapons

These weapons explode or burst, dealing damage to creatures or objects within an area.

Explosives can be thrown or set off in place, depending on the type of explosive device. Dynamite and hand grenades are examples of these weapons.

All explosives must be detonated. Some, such as grenades, include built-in detonators. (Pulling the pin on a grenade is a free action.) Others require timers or other devices to set them off. Detonators are covered in Weapon Accessories.

A splash weapon is a projectile that bursts on impact, spewing its contents over an area and damaging any creature or object within that area. Generally, creatures directly hit by splash weapons take the most damage, while those nearby take less damage. Splash weapons usually must be thrown to have effect.

Explosives and splash weapons require no feat to use with proficiency unless they are fired or propelled from some sort of launcher or other device, in which case the appropriate Weapon Proficiency feat for the launcher is necessary to avoid the –4 nonproficient penalty.

Explosives and Splash Weapons Table

Explosives and splash weapons are described by a number of statistics, as shown on Table: Explosives and Splash Weapons.

Damage/Direct Hit Damage: The primary damage dealt by the weapon. For explosives, the Damage column shows the damage dealt to all creatures within the explosive’s burst radius. For splash weapons, the Direct Hit Damage column is used for a target directly struck by the weapon.

Burst Radius/Splash Damage: For explosives, the burst radius is the area affected by the explosive. All creatures or objects within the burst radius take damage from the explosive.

For splash weapons, all creatures within 5 feet of the weapon’s impact point take splash damage equal to the amount shown in this column.

Damage Type: Damage from explosives and splash weapons is classified according to type: energy (of a specific type) or slashing. Some creatures or characters may be resistant or immune to some forms of damage.

Critical: The threat range for a critical hit. If the threat is confirmed, a weapon deals double damage on a critical hit (roll damage twice, as if hitting the target two times).

Reflex DC: Any creature caught within the burst radius of an explosive may make a Reflex save against the DC given in this column for half damage.

Range Increment: If the weapon can be thrown, its range increment is shown in this column. Explosives with no range increment must be set in place before being detonated. (See the Demolitions skill)

Size: Size categories for weapons and other objects are defined differently from the size categories for creatures. The relationship between a weapon’s size and that of its wielder defines whether it can be used one-handed, if it requires two hands, and if it’s a light weapon.

A Medium-size or smaller weapon can be used one-handed or two-handed.

A Small or smaller weapon is considered a light weapon. It can be used one-handed and, as a light weapon, is easier to use in a character’s off hand.

Weight: This column gives the weapon’s weight.

Purchase DC: This is the purchase DC for a Wealth check to acquire the weapon. This number reflects the base price and doesn’t include any modifier for purchasing the weapon on the black market.

Restriction: The restriction rating for the weapon, if any, and the appropriate black market purchase DC modifier. Remember to apply this modifier to the purchase DC when making a Wealth check to acquire the weapon on the black market.

Table: Explosives and Splash Weapons
Grenades and Explosives
Weapon Damage Critical Damage Type Burst Radius Reflex DC Range Increment Size Weight Purchase DC Restriction
40mm fragmentation grenade 3d6 Slashing 10 ft. 15 Tiny 1 lb. 16 Mil (+3)
C4/Semtex 4d6 Concussion 10 ft. 18 Small 1 lb. 12 Mil (+3)
Det cord 2d6 Fire See text 12 Med 2 lb. 8 Res (+2)
Dynamite 2d6 Concussion 5 ft. 15 10 ft. Tiny 1 lb. 12 Lic (+1)
Fragmentation grenade 4d6 Slashing 20 ft. 15 10 ft. Tiny 1 lb. 15 Mil (+3)
Smoke grenade See text 10 ft. Small 2 lb. 10
Tear gas grenade See text See text 10 ft. Small 2 lb. 12 Res (+2)
Thermite grenade 6d6 Fire 5 ft. 12 10 ft. Small 2 lb. 17 Mil (+3)
White phosphorus grenade 2d6 Fire 20 ft. 12 10 ft. Small 2 lb. 15 Mil (+3)
Splash Weapons
Weapon Direct Hit Damage Splash Damage Critical 2 Damage Type Reflex DC Range Increment Size Weight Purchase DC Restriction
Acid, mild 1d6 1 20 Acid 10 ft. Tiny 1 lb. 6
Molotov cocktail1 1d6 1 20 Fire 10 ft. Small 1 lb. 3
  1. This weapon cannot be purchased as an item; the purchase DC given is for the weapon’s components.
  2. Threat range applies to direct hits only; splash damage does not threaten a critical hit.

Grenades and Explosives

Many explosives require detonators, which are described in Weapon Accessories.

40mm Fragmentation Grenade

This small explosive device must be fired from a 40mm grenade launcher, such as the M79. It sprays shrapnel in all directions when it explodes.

The 40mm fragmentation grenade has a minimum range of 40 feet. If fired against a target closer than 40 feet away, it does not arm and will not explode.

The purchase DC given is for a box of 6 grenades.

C4/Semtex

So-called “plastic” explosives resemble slabs of wax. Hard and translucent when cold, these explosives warm up when kneaded, and then can be coaxed to take various shapes. The information on the table represents a 1-pound block. Additional blocks can be wired together, increasing the damage and burst radius; each additional block increases the damage by +2d6 and the burst radius by 2 feet, and requires a Demolitions check (DC 15) to link them.

Although the damage statistics on the table represent a 1-pound block, C4 is sold in 4-block packages. The purchase DC given represents a package of 4 blocks.

C4/Semtex requires a detonator to set off. It is considered to be a moderate explosive for the purpose of using a Craft (chemical) check to manufacture it.

Det Cord

Det cord is an explosive in a ropelike form. Technically, det cord doesn’t explode—but it burns so fast (4,000 yards per second) that it might as well be exploding. Normally used to string multiple explosive charges together for simultaneous detonation (allowing a single detonator to set them all off), det cord can also be looped around a tree or post or other object to cut it neatly in half.

The information on the table represents a 50-foot length. A length of det cord can be spread out to pass through up to ten 5-foot squares. When this is the case, it deals the indicated damage to all creatures in each 5-foot square through which it passes.

It can also be doubled up; for each additional 5 feet of cord within a single 5-foot square, increase the damage by +1d6 to a maximum increase of +4d6.

Det cord requires a detonator to set it off. It is considered to be a simple explosive for the purpose of using a Craft (chemical) check to manufacture it.

Dynamite

Perhaps one of the most common and straightforward explosives, dynamite is very stable under normal conditions. A stick of dynamite requires a fuse or detonator to set it off. Additional sticks can be set off at the same time if they are within the burst radius of the first stick, increasing the damage and burst radius of the explosion. Each additional stick increases the damage by +1d6 (maximum 10d6) and the burst radius by 5 feet (maximum 20 feet).

It’s possible to wire together several sticks of dynamite for even greater explosive effect. Doing so requires a Demolitions check (DC 10 + 1 per stick). If the character succeeds on the check, the damage or the burst radius of the explosion increases by 50% (the character’s choice).

Dynamite is sold in boxes of 12 sticks. It is considered to be a simple explosive for the purpose of using a Craft (chemical) check to manufacture it.

To set off dynamite using a fuse, the fuse must first be lit, requiring a move action (and a lighter or other source of flame). The amount of time until the dynamite explodes depends on the length of the fuse—a fuse can be cut short enough for the dynamite to detonate in the same round (allowing it to be used much like a grenade), or long enough to take several minutes to detonate. Cutting the fuse to the appropriate length requires a move action.

Fragmentation Grenade

The most common military grenade, this is a small explosive device that sprays shrapnel in all directions when it explodes.

The purchase DC given is for a box of 6 grenades.

Smoke Grenade

Military and police forces use these weapons to create temporary concealment. On the round when it is thrown, a smoke grenade fills the four squares around it with smoke. On the following round, it fills all squares within 10 feet, and on the third round it fills all squares within 15 feet. The smoke obscures all sight, including the darkvision ability granted by night vision goggles. Any creature within the area has total concealment (attacks suffer a 50% miss chance, and the attacker can’t use sight to locate the target). It disperses after 10 rounds, though a moderate wind (11+ mph) disperses the smoke in 4 rounds and a strong wind (21+ mph) disperses it in 1 round. Smoke grenades are available in several colors, including white, red, yellow, green, and purple. As such, they can be used as signal devices.

The purchase DC given is for a box of 6 grenades.

Tear Gas Grenade

Military and police forces use these weapons to disperse crowds and smoke out hostage takers. On the round that it is thrown, a tear gas grenade fills a 5-foot radius with a cloud of irritant that causes eyes to fill with tears. On the following round, it fills a 10-foot radius, and on the third round it fills a 15-foot radius. It disperses after 10 rounds, though a moderate wind (11+ mph) disperses the smoke in 4 rounds and a strong wind (21+ mph) disperses it in 1 round.

A character caught in a cloud of tear gas must make a Fortitude save (DC 15) or be nauseated. This effect lasts as long as the character is in the cloud and for 1d6 rounds after he or she leaves the cloud. Those who succeed at their saves but remain in the cloud must continue to save each round. A gas mask renders the target immune to the effects. A wet cloth held over the eyes, nose, and mouth provides a +2 bonus on the Fortitude save.

The purchase DC given is for a box of 6 grenades.

Thermite Grenade

Thermite does not technically explode. Instead, it creates intense heat meant to burn or melt through an object upon which the grenade is set. Military forces use thermite grenades to quickly destroy key pieces of equipment.

The purchase DC given is for a box of 6 grenades.

White Phosphorus Grenade

White phosphorus grenades use an explosive charge to distribute burning phosphorus across the burst radius. Any target that takes damage from a White Phosphorus grenade is dealt an additional 1d6 points of fire damage in the following round and risks catching on fire.

In addition, a WP grenade creates a cloud of smoke. Treat a white phosphorus grenade as a smoke grenade (see above), except that it only fills squares within 5 feet of the explosion point.

The purchase DC given is for a box of 6 grenades.

Splash Weapons

Many splash weapons, such as Molotov cocktails, are essentially homemade devices (improvised explosives). The purchase DC given in Table: Explosives and Splash Weapons reflects the typical cost of the necessary components. See the Craft (chemical) skill for details on making improvised explosives.

Acid, Mild

A character can throw a flask of acid as a grenadelike weapon. A flask is made of ceramic, metal, or glass (depending on the substance it has to hold), with a tight stopper, and holds about 1 pint of liquid. This entry represents any mild caustic substance. Acid may be purchased in many places, including hardware stores.

Molotov Cocktail

A Molotov cocktail is a flask containing a flammable liquid, plugged with a rag. A Molotov cocktail is easily made by hand (Craft [chemical] check DC 10 or Intelligence check DC 15). The purchase DC given is for the components. To use it, the rag must first be lit, requiring a move action (and a lighter or other source of flame). The cocktail detonates in 2 rounds or on impact with a solid object, whichever comes first. A target that takes a direct hit is dealt an additional 1d6 points of fire damage in the following round and risks catching on fire.




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