The titles of the Nemesis and the traits should be based on how/where/with what they attacked or were attacked. Below is an incomplete listing and not sure if all of these are possible:

The Coward

• acquisition: when a mob attacks from behind
• armor gained: boots of swiftness
• stat change: less or no increase of hp, increased damage from behind, decreased damage from front
• AI change: either behaves like a Boo from Mario (will approach if you're not looking at it, will stop if you are), or when looking at him, the mob will retreat.
• physical change: wears darker clothing, size scales at a lesser rate than other promotions

The Seafaring

• acquisition: a land-based mob attacks while in water
• armor gained: depth strider boots
• stat change: increased damage while in water
• AI change: prefers to attack in water
• physical change: wears arm floaties

The Brave

• acquisition: a mob attacks from the front and is alone
• armor gained: chest armor with protection
• stat change: greater increase of hp, increased damage from front, decreased damage from behind
• AI change: will spawn alone, not in a pack
• physical change: size scales at a greater rate than other promotions

The Pyromaniac

• acquisition: [player] was burnt to a crisp whilst fighting [player/mob] OR [player] walked into a fire whilst fighting [player/mob]
• armor gained: chest armor with fire protection, flame bow for skeleton
• stat change: normal promotion changes
• AI change: drawn towards fire, maybe even leaves a trail of fire where the mob has walked
• physical change: always on fire, but takes no damage from it

The Fallen

• acquisition: mob suffers fall damage
• armor gained: feather falling boots
• stat change: slower speed, as if legs were damaged
• AI change: none
• physical change: shortened legs (not sure if possible)

The Burned

• acquisition: mob suffers fire damage
• armor gained: fire protection
• stat change: less hp increase than usual promotion
• AI change: runs away from fire; if on fire, scared into immobility
• physical change: burn scars, patches of charred bones on skeletons

The Pin-Cushion

• acquisition: mob is hurt by arrow
• armor gained: projectile protection
• stat change: normal promotion changes
• AI change: none
• physical change: arrows sticking out all over

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