Kill the 9 bosses
Despoil and poach the megafauna of the Aberration.
Grants 40 practices. Grants 350 Archon Points.
* Located in 'Shrine of Dira', Sigil Underground - Static Pressure Wave
* Located in 'Sigil Underground', Sigil Underground - Lunar Leviathan
* Located in 'A Ghost Town', Sigil Underground - a starving, desperate xorn
* Located in 'Althaman', Sigil Underground - Grimthar(?)
* Located in 'The Obsidian Tear', Sigil Underground - Obsidian Tarantula
* Located in 'A Glyph Haven', Sigil Underground - Geomancer Xangorn (?)
* Located in 'Cogworks City', Sigil Underground - Vanguard(?)
* Located in 'An Acid-Drenched Cavern', Sigil Underground - Acid Roc
* Located in 'The Recycling Center', Sigil Underground - a waste-filled gelatinous cube