Likely a sterile medium means an uncontaminated culture (food free of living organisms) that will grow only the new bacteria introduced for analysis. Source(s): http://www.thefreedictionary.com/sterile
Stonepelt was Bluestar's first mentor and a very well-respected senior warrior of ThunderClan. It is revealed in this book that he took her to the Gathering on her second day as an apprentice because she had caught a squirrel very well for a new apprentice, and the squirrel had been as big as she was.
Koloktos is the guardian of the Ancient Cistern and has six powerful arms wielding two axes. EditHow to Defeat Koloktos. The Koloktos boss fight mainly has two phases, and these two phases are split up into multiple parts. In the first phase Koloktos is stationary with only his upper body showing.