Athamaru Weapon Familiarity Feat 1
You wield weapons designed to work underwater with ease. You have familiarity with weapons with the athamaru trait and with crossbows, heavy crossbows, longspears, spears, and tridents—for the purposes of proficiency, you treat any of these that are martial weapons as simple weapons.
At 5th level, whenever you get a critical hit with one of these weapons, you get its critical specialization effect.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
AthamaruAthamarus are fishlike aquatic humanoids.