Triangular Zamadar is a level 10 dagger for Thieves that gives +28 W.ATK, with 7 upgrade slots. Cutthroat Manny sells it for 3,000 mesos, and monsters listed as dropping it, not yet confirmed, include Stump.
Report a dropDrop tables are not in the game files. Counted rates come from kills counted in Classic. Reference rates are unconfirmed and may not match Classic.
Maps with the most spawn points of a mob that drops this, counted rates first. A spawn point is a place a mob can appear, not a count of mobs alive at once.