Swarming
Combat | Skill
Prerequisites Dexterity
The flanking bonus you get for flanking a foe increases to 2 + number of allies adjacent to the target (max +4). You can also flank creatures up to 3 sizes larger or smaller than you. Swarms with this feat treat every space they occupy as a separate ally for these purposes.
Tier 2 The maximum flanking bonus increases to +6 and you add precision damage to your attacks equal to you flanking bonus.
Tier 3 The maximum flanking bonus increases to +8 and you can flank creatures up to four sizes larger or smaller than you.
Tier 4 The maximum flanking bonus increases to +10 and foes are automatically off-guard 1 against attacks you make that have a flanking bonus.
Tier 5 The maximum flanking bonus increases to +12 and you can flank creatures up to five sizes larger or smaller than you.