Invincible
Incapable of being defeated; all-powerful
Terrestrial
Earth-bound or land-dwelling
Atmosphere
A collection of gases surrounding a planet containing air and offering protection from radiation
Horrendous
Something terrible, unwanted or dreadful
Oscillate
Very quick movement back and forth; fluctuation or vacillation
Amnesia
A usually temporary lack of the ability to remember
Hibernation
An extended period of inactivity or slumber
Metallic
Having the properties of metal such as being shiny, reflective, smooth, etc.
Monotonous
Tediously boring and repetitious
Annihilation
Total and compete destruction and termination
Palpated
Touched for the purpose of diagnosis
Meandering
Twisting and winding or moving in such a way
Hypothetical
The conception of an assumed proposition
Autonomous
Independent and self-governing
Symmetrical
Equally proportional and evenly balanced
Dissipated
Corrupted and degenerated into oblivion
Comprehension
The grasping of understanding or awareness
Cleft
Forked, divided or branching out
Maelstrom
A turbulent situation; a whirling vortex of movement
Subterranean
Existing beneath the surface of the ground
