Well, the Caster class ability is 'Territory Creation,' and Carmen Sandiego is never seen until she acts, so perhaps her version of stealth is that she can make an area where anything inside is unnoticeable, even in the fact that you can't find what's usually there, unless specifically looking for what's usually there, and even then you can only tell "that thing that's supposed to be around here is gone!" By expanding one edge and shrinking the opposite she can sneak slowly, but being forced to move fast
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"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows
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"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows