User blog comment:Warmachine375/Will there be character deaths in RWBY?/@comment-26018514-20150524171323/@comment-26018514-20150526055945

Diego... Pyrrha uses magnetism... Cinder uses Glass weapons and dust... as Mercury already stated, She can easily beat Pyrrha's semblance, the only question is if she goes for the kill and can beat Pyrrha's skill. However, the other question is if Pyrrha realizes Cinder is immune. If she does not, Pyrrha's MO is to give the foe a false strike to a non vital point to allow herself to use magnetism later, and then she activates her semblance to prevent a vital strike that should go through while attacking her off balance opponent, giving herself the greatest advantage and momentum.

If Cinder approaches Glynda's level, she should at least be near Pyrrha's level on skill alone, which means if given surprise advantage and Foreknowledge she can easily carry out a kill.