Extra attacks

Source	Source type	# of extra attacks	Duration	Requirements	Notes
Furnace of Yeb	Ranged weapon	5	Always	Level 70	+50% weapon damage +50 fire damage
n-barreled shotgun (undecuple)	Ranged weapon	5	Always	Level 15	+3% of weapon damage returned as HP
n-barreled shotgun (septuple)	Ranged weapon	4	Always	Level 10	+10% chance of critical hits
swingline stapler		Ranged weapon	4	Always	Level 10
N'Gah-Kthun's Lancer	Ranged weapon	3	Always	Level 55	+20% to hit +20 fire damage +2% chance of critical hits.
n-barreled shotgun (quintuple)	Ranged weapon	3	Always	Level 5	+10 sonic damage
Trident of Nodens	Ranged weapon	3	Always	Level 40	+5% of weapon damage returned as HP +5% of weapon damage returned as PP Fires varying elemental beams.
desert eagle	Ranged weapon	2	Always	Level 14	+6% chance of critical hits
n-barreled shotgun (triple)	Ranged weapon	2	Always	Level 3	+6 XP per combat
repeating rifle	Ranged weapon	2	Always	Level 5	+5% Reflexes Successful hit weakens opponents (by 4 points).
Red Pasha's Silver Spoon	Talisman	2	Always		+30% Reflexes +4% chance of critical hits. -15% resistance to all elements
Typhoon's Bracers	Talisman	2	Always		+30% Reflexes +4% chance of critical hits. -15% resistance to all elements
quint-barreled rifle	Ranged weapon	2	Always	Level 9	+4 foe toughness
boomerang	Ranged weapon	1	Always
GigaGuy cannon	Ranged weapon	1	Always		+X offense Provides several special attacks in combat. Occasionally causes foes to drop restoratives.
Keyed Up	Effect	1	65 minutes		Gained from There's a Blog.Org for This
King's boomerang	Ranged weapon	1	Always		+3% of weapon damage returned as HP +X offense (requires set)
n-barreled shotgun (double)	Ranged weapon	1	Always		+5 fire damage
the golem's Glock	Ranged weapon	1	Always	Level 8	+10 Ranged damage +8 to hit
The Shark's darts	Ranged weapon	1	Always	Level 6	+4% chips -4% chance of weapon fumbles
throwing pen	Ranged weapon	1	Always	Level 10	+5 Ranged damage +10 to initiative
Zeno's bow	Ranged weapon	1	Always	Level 6	-5 seconds to the duration of each turn