My friend that I play with everyday uses Millia and he mixes me up really good with her with that one move where she slides on the ground on her hair and S Tamdem Loop. he FRCs it usually baiting me in a throw combo that takes like 40% of my life or a wall bounce combo :/ same thing with me and May's DP FRC to OHK up close.
Dead Spike in CS,It seems a tad bit faster, Its notable if you use it alot. I remember there being something on Dead Spike changes on the Ragna CS changes topic.