[Saisu]

Limited experience from having a 35 rogue:

1. Rogues (and bards) get illusion masks. The spell visual is the green orbs. You’ll for sure be able to get the Dark Elf illusion from Guk. In Kunark you can get Mrylokar armor clickies which have a few effects. In Velious... uhh Lodizal Shell Boots can cast Turtle Skin. I’m sure there are tons of raid-level clickies, but these would be the most attainable just leveling or doing small groups.

2. From what I’ve seen, it’s rare for a mob to see through sneak/hide. I’ve seen lists of basically 6-7 mob types, and then bosses (dragons/gods/etc). You’ll generally have free reign in most areas to explore (within reason).

3. Possibly - I know I’ve read stories of people pickpocketing Seafuries to great effect pre-nerf. Main thing to know is if you get a critical failure the mob will attack you - and if you’re deep in a dungeon that will be a death sentence for sure.