1. **Berserker**: After striking a killing blow while in melee with multiple foes, may immediately make a free attack against another foe at –2.
2. **Dual-Wielder**: Gains [Dual Wielding](/rules/combat.html#dual-wielding). If DEX > 13 and wielding both a one-handed weapon and a Light weapon (in off hand), may make an attack with each weapon.
3. **Environmental Expert**: Can either ignore any special restrictions on combat while in a specific environment (ex: underwater) or gains +1 to attack and damage rolls while in combat in that environment (ex: aerial, astral). The environment type (and resulting effect) must be determined when this expertise is selected.
4. **Hunter**: +1 to attack and damage rolls when in combat with foes of a specific type (ex: undead, clerics, dragons, giants). The type of foe must be chosen when this expertise is selected.
5. **Leader**: Mercenaries or retainers under command and within 60' gain a +1 bonus to morale and loyalty checks. All allies within 60' get +1 bonus to saves against fear effects.
6. **Specialist**: Expertise with a specific type of weapon (ex: whips, one-handed swords, crossbows, etc.) grants +1 to attack and damage rolls when using one. The type of weapon must be chosen when this expertise is selected.
7. **Tank**: While in melee with an adjacent foe, if that foe tries to attack anyone else, that attack gets –2.
