uncommon n gargantuan earth elemental swarm 

Perception +23; darkvision, echolocation (precise) 120 feet

Languages Terran

Skills Acrobatics +24, Performance +27

Str +0 Dex +5 Con +8 Int -2 Wis +2 Cha +6

Echolocation The consonite choir can use hearing as a precise sense at the listed range.

AC  32; Fort +27, Ref +22, Will +21

HP 200; Immunities precision, swarm mind; Weaknesses area damage 8, splash damage 8; Resistances bludgeoning 8, piercing 15, slashing 15

Resonant Chimes (aura, evocation, sonic) 30 feet. The consonite choir's tones resonate within physical objects. A creature that begins its turn in the aura deals an additional 2d6 sonic damage on any Strike using a weapon.

Speed 10 feet, fly 40 feet

Ranged [>] launched blade +26 (magical, range 120 feet, sonic), Damage 6d6 piercing plus 2d6 sonic

Swarming Chimes [>] The swarm deals 4d6 slashing damage plus 2d6 sonic damage to each enemy in the swarm's space (DC 33 basic Reflex save). On a critical failure, the enemy is also deafened for 1 minute.

Bestiary 3, page 53.