Overview

Gyrospire Zeka 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:

• The Universal Cog
• Grimy Worm Gear Model IV
• Crumblewidget's Arcano-Nullifier
• Portable Gyrocopter

Rare Mobs

Chamberlain VI

Spawns outside the spire. Hits for around 3k and at 75% and 50% will spawn an add. The adds hit just under 2k and can be mezzed and rooted.
Drops - Storeroom Access Bauble, Fine Silver Gear Veil, Chamberlain Access Bauble, Chamberlain Logic Center

Commander Gearwell

Spawns on the top floor before the roof. Hits for about 3k and procs a 1k dot. Can also dispel itself.
Drops - Lifegutter Appendage, Dream and Druadic Steam Cores

Engineer LXII

Spawns on the top floor before the roof in place of roaming workers. Hits for 3k, no info on spells.
Drops - XII Repair Core, Martialism and Necrotic Steam Cores

Fuelmaster XI

Spawns on the floor just after the outside ramps. Hits for 3k, no info on spells.
Drops - Fuel Nugget Bauble, Bound Torsion Spring, Model XI Fuel Nugget Bauble

Repair Steamwork XIV

Spawns on the ground floor of the tower, no combat info.
Drops - Steamwork Visor, Micro Repair Tools, Model XIV Face Plate, Model XIV Repair Tools

Shocktroop Commander XIX

Spawns on the roof, and perhaps as a roamer going down one floor. No combat info.
Drops - Troopleader's Sword, Purification and Dedicant Steam Cores

Zeka Repairer III

Spawns in the basement. No combat info.
Drops - Zeka Launch Core, Intensity and Consort Steam Cores