This arrow is actually a specially-shaped smokestick that can be fired from a bow. It trails smoke as it flies, and creates a 5-foot cube of smoke where it strikes. It otherwise functions like a normal arrow in terms of damage, range, and so on.
COPYRIGHT NOTICE
Open Gaming License Version 1.0a Copyright 2000, Wizards of the Coast, Inc.
System Reference Document. Copyright 2000, Wizards of the Coast, Inc.; Authors Jonathan Tweet, Monte Cook, Skip Williams, based on material by E. Gary Gygax and Dave Arneson.
Pathfinder RPG Core Rulebook. Copyright 2009, Paizo Publishing, LLC; Author: Jason Bulmahn, based on material by Jonathan Tweet, Monte Cook, and Skip Williams.
Axe Beak from the Tome of Horrors Complete © 2011, Necromancer Games, Inc., published and distributed by Frog God Games; Author: Scott Greene, based on original material by Gary Gygax.
Genie, Marid from the Tome of Horrors Complete © 2011, Necromancer Games, Inc., published and distributed by Frog God Games; Author: Scott Greene, based on original material by Gary Gygax.
Grippli from the Tome of Horrors Complete © 2011, Necromancer Games, Inc., published and distributed by Frog God Games; Author: Scott Greene, based on original material by Gary Gygax.
Iron Cobra from the Tome of Horrors Complete © 2011, Necromancer Games, Inc., published and distributed by Frog God Games; Author: Scott Greene, based on original material by Philip Masters.
Pathfinder Roleplaying Game Ultimate Equipment © 2012, Paizo Publishing, LLC; Authors: Dennis Baker, Jesse Benner, Benjamin Bruck, Ross Byers, Brian J. Cortijo, Ryan Costello, Mike Ferguson, Matt Goetz, Jim Groves, Tracy Hurley, Matt James, Jonathan H. Keith, Michael Kenway, Hal MacLean, Jason Nelson, Tork Shaw, Owen KC Stephens, and Russ Taylor.
Yeti from the Tome of Horrors Complete © 2011, Necromancer Games, Inc., published and distributed by Frog God Games; Author: Scott Greene, based on original material by Gary Gygax.