Covered in thin white fur, this humanoid has a murine face and a short, hairless tail.
A weremouse in humanoid form tends to be thin, short, shy, and skittish. It often dresses in rather plain clothing and may have an overbite.
Creating A Weremouse
"Weremouse" is an application of the lycanthrope template, using a dire mouse (see below) as the base animal.
Weremice have the following Animal or Hybrid Form Ability Modifiers: Str -4, Dex +6.
A weremouse's preferred alignment is neutral.
Dire Mouse
Small Animal
Hit Dice: 1d8 (4 hp)
Initiative: +3
Speed: 40 ft. (8 squares), climb 20 ft.
Armor Class: 15 (+1 size, +3 Dex, +1 natural), touch 14, flat-footed 12
Base Attack/Grapple: +0/–6
Attack: Bite +4 melee (1d3-2)
Full Attack: Bite +4 melee (1d3-2)
Space/Reach: 5 ft./5 ft.
Special Attacks: -
Special Qualities: Low-light vision, scent
Saves: Fort +2, Ref +5, Will +3
Abilities: Str 6, Dex 17, Con 10, Int 1, Wis 12, Cha 2
Skills: Balance +11, Climb +11, Hide +17, Jump +15, Move Silently +13, Swim +11
Feats: Stealthy, Weapon Finesse (B)
Environment: Any
Organization: Solitary or family (5–20)
Challenge Rating: 1/4
Treasure: None
Alignment: Always neutral
Advancement: 2–3 HD (Small)
Level Adjustment: -
Skills: Dire mice have a +4 racial bonus on Hide checks and a +8 racial bonus on Balance, Climb, Jump, Move Silently, and Swim checks. They can always choose to take 10 on Climb checks, even if rushed or threatened. Dire mice use their Dexterity modifier for Climb, Jump, and Swim checks.
Challenge Rating: By class level or base creature +2
Weremouse, Halfling Form
Small Humanoid (Halfling, Shapechanger)
Hit Dice: 1d8+1 plus 1d8 (9 hp)
Initiative: +1
Speed: 20 ft. (4 squares)
Armor Class: 18 (+1 size, +1 Dex, +2 natural, +3 studded leather, +1 light shield), touch 12, flat-footed 17
Base Attack/Grapple: +1/–3
Attack: Shortsword +4 melee (1d4/19–20) or light crossbow +3 ranged (1d6/19–20)
Full Attack: Shortsword +4 melee (1d4/19–20) or light crossbow +3 ranged (1d6/19–20)
Space/Reach: 5 ft./5 ft.
Special Attacks: Halfling traits
Special Qualities: Alternate form, halfling traits, mouse empathy, low-light vision, scent
Saves: Fort +6, Ref +4, Will +3
Abilities: Str 11, Dex 13, Con 12, Int 10, Wis 11, Cha 8
Skills: Balance +9, Climb +2, Hide +10, Jump +4, Listen +3, Move Silently +13, Swim +8
Feats: Stealthy, Weapon Finesse (B), Weapon Focus (shortsword)
Environment: Any
Organization: Solitary, pair, family (6–10), or troupe (2–5 plus 5–8 dire mice)
Challenge Rating: 2
Treasure: Standard
Alignment: Usually neutral
Advancement: By character class
Level Adjustment: +3
Weremouse, Mouse Form
Small Humanoid (Halfling, Shapechanger)
Hit Dice: 1d8+1 plus 1d8 (9 hp)
Initiative: +4
Speed: 40 ft. (8 squares), climb 20 ft.
Armor Class: 18 (+1 size, +4 Dex, +3 natural), touch 15, flat-footed 14
Base Attack/Grapple: +1/–5
Attack: Bite +4 melee (1d3-2)
Full Attack: Bite +4 melee (1d3-2)
Space/Reach: 5 ft./5 ft.
Special Attacks: Curse of lycanthropy
Special Qualities: Alternate form, damage reduction 10/silver, mouse empathy, low-light vision, scent
Saves: Fort +6, Ref +7, Will +3
Abilities: Str 7, Dex 19, Con 12, Int 10, Wis 11, Cha 8
Skills: Balance +12, Climb +14, Hide +13, Jump +18, Listen +3, Move Silently +16, Swim +12
Feats: Stealthy, Weapon Finesse (B), Weapon Focus (shortsword)
Environment: Any
Organization: Solitary, pair, family (6–10), or troupe (2–5 plus 5–8 dire mice)
Challenge Rating: 2
Treasure: Standard
Alignment: Usually neutral
Advancement: By character class
Level Adjustment: +3
Weremouse, Hybrid Form
Small Humanoid (Halfling, Shapechanger)
Hit Dice: 1d8+1 plus 1d8 (9 hp)
Initiative: +4
Speed: 20 ft. (4 squares)
Armor Class: 18 (+1 size, +4 Dex, +3 natural), touch 15, flat-footed 14
Base Attack/Grapple: +1/–7
Attack: Shortsword +7 melee (1d4-2/19–20) or claw +6 melee (1d3-2) or light crossbow +6 ranged (1d6/19–20)
Full Attack: Shortsword +7 melee (1d4-2/19–20) and bite +1 melee (1d4-2); or two claws +6 melee (1d3-2) and bite +1 melee (1d4-2); or light crossbow +6 ranged (1d6/19–20)
Space/Reach: 5 ft./5 ft.
Special Attacks: Curse of lycanthropy
Special Qualities: Alternate form, damage reduction 10/silver, mouse empathy, low-light vision, scent
Saves: Fort +6, Ref +7, Will +3
Abilities: Str 7, Dex 19, Con 12, Int 10, Wis 11, Cha 8
Skills: Balance +12, Climb +6, Hide +13, Jump +8, Listen +3, Move Silently +16, Swim +12
Feats: Stealthy, Weapon Finesse (B), Weapon Focus (shortsword)
Environment: Any
Organization: Solitary, pair, family (6–10), or troupe (2–5 plus 5–8 dire mice)
Challenge Rating: 2
Treasure: Standard
Alignment: Usually neutral
Advancement: By character class
Level Adjustment: +3
Alternate Form (Su): A weremouse can assume a bipedal hybrid form or the form of a dire mouse.
Curse of Lycanthropy (Su): Any humanoid or giant hit by a weremouse's bite attack in animal or hybrid form must succeed on a DC 15 Fortitude save or contract lycanthropy.
Mouse Empathy (Ex): Communicate with mice and dire mice, and +4 racial bonus on Charisma-based checks against mice and dire mice.
Skills: A weremouse in any form has a +4 racial bonus on Hide checks and a +8 racial bonus on Balance, Jump, Move Silently, and Swim checks. A weremouse in rat or hybrid form uses its Dexterity modifier for Climb, Jump, and Swim checks. In mouse form, it has a +8 racial bonus on Climb checks and can always choose to take 10 on a Climb check, even if rushed or threatened.
Feats: Weremice gain Weapon Finesse as a bonus feat.
The weremouse presented here is based on a 1st-level halfling warrior who is a natural lycanthrope, using the following base ability scores: Str 11, Dex 13, Con 12, Int 10, Wis 9, Cha 8.
Imagine Magazine #17