While Underground

Certain skills grant an extra bonus while underground. Currently the only locations that are considered "underground" include:

• Abandoned Subway
• Buried Lab
• Dockside sewers
• Fires of the Black Book
• Maintenance Storage
• Mushroom Cavern
• Parking Garage
• Records Vault
• Sewer hideout
• The Cellar Door
• Tunnels of the Black Book
• Underground Asylum

All other locations are considered aboveground.

Legend
Limited items	Quest items
Unearthly items	No trade items
Derivative unearthly	Normal items

Things affected when you are underground:

Hats	Bonus while Underground
scuffed mining helmet	Unlocks Mining Encounters
Offhand	Bonus while Underground
glass salamander	+4 Etheric Defense and Fire Defense
heart of the earth serpent	+4 Fire Power
mold heart	+3 Etheric Power
tear of the earth	+4 Etheric Power
Cyberware	Bonus while Underground
eye of the earth serpent	+4 Etheric Power
Effects	Bonus while Underground
Cavern Chimes	+2 Evasion Power
Underground Rations	+3 Etheric Defense
Subterranean Delights	+2 Etheric Defense +2 Evasion Power
Skills	Bonus while Underground
Subterranean Rhythm	+3 Evasion Power
Techniques	Bonus while Underground
Burrowing Arm	Makes the attack undodgeable
Burrowing Horror	+6 Base damage
Burrowing Ruse	+2 Base damage
Flittering Charm	10 base etheric attack underground or evasion otherwise
Grasping Glow	+3 Base damage
Mining Strike	+4 Base damage
Pale Summons	harder to evade (restrain?)
Swinging Chain	+2 Base defense
Sunless Slime	+8 Base damage
Take Root	better healing aboveground

Most of these bonuses are doubled While in Caverns.

While Aboveground

The following bonuses apply when not underground:

Items	Modifiers while Aboveground
eye of the earth serpent	-4 Etheric Power
Effects	Modifiers while Aboveground
Cavern's Light	+4 Stealth Power

The Intertwined Serpents only appear above ground.