Overview

Gyrospire Beza is reached via cannon in Fortress Mechanotus, to zone out there is a cannon to shoot you back. Mobs in the zone seem to randomly see invis making travel difficult. In instanced versions of the zone, but not the static version, mobs can rarely drop:

• Anti-Impact Helical Spring II
• Undocumented Stabilizing Compensator
• Slimy Ooze Ejector
• Rusty Oil Spitter

Rare Mobs

Chamberlain XI

Spawns on the ground floor of the tower. Hits for just under 3k and spawns an add every 25%.
Drops - Shiny Ring Gear, Mechanical Drive Belt, Chamberlain's Ring Gear, Chamberlain's Drive Belt,

Commander Gearmost

Spawns on the roof of the tower. Hits for around 2500 and flurries.
Drops - Gearmost Core, Head Armor

Commander Shockmore

Spawns one floor about the external ramps. No combat information.
Drops - Static Etched Core, Foot Armor

Engineer Tristos

Spawns in the basement of the tower, roaming the Y shaped halls. No melee information, but can spawn fire elemental adds.
Drops - Flexible Metal Plating, Tristos' Weighted Wrench, Fine Mesh Backside Heat Protection

Fuelmaster XXI

Spawns one floor about the external ramps. No combat information.
Drops - Energized Wire Coil, Fuelmaster's Bauble, Wrist Armor

Garden Keeper IXV

Spawns outside the tower. Hits for around 2500.
Drops - Folded Propellers, Energized Hydraulic Rod, Ivy Etched Folded Propeller

Lerosma

Spawns one floor about the external ramps. No combat information.
Drops - Brownie Cut Gemstone, Wrist Armor

Minotaur Warleader

Spawns on the top interior floor of tower (not on roof) from multiple minotaur spots. Hits for just over 3k.
Drops - Warleader's Pearl, Hand Armor