Shade
Monster Junkie
Here's one...
Pack Tactics (Ex): When two or more night dragons flank an opponent, they receive double the normal bonus on attack rolls (+4), and can flank creatures that cannot normally be flanked (due to greater uncanny dodge, all-around vision, etc.) Additionally, a night dragon flanking an opponent deals an additonal +1d6 points of damage for each night dragon within 30 feet.
Pack Tactics (Ex): When two or more night dragons flank an opponent, they receive double the normal bonus on attack rolls (+4), and can flank creatures that cannot normally be flanked (due to greater uncanny dodge, all-around vision, etc.) Additionally, a night dragon flanking an opponent deals an additonal +1d6 points of damage for each night dragon within 30 feet.