User blog comment:Zathronas/Analysis by an author - My analysis of volume 3/@comment-26512661-20160215201528/@comment-13499046-20160216082933

I don't ever recall the word Guardian being used to describe the Schnee Semblance, Ozpin was after a guardian in the form of a Maiden. Schnee's can summon their fallen foes, and Winter for one is capable of summoning at least two different kinds of Grimm.