Strategy guide for thief vs each class?
https://forum-en.gw2archive.eu/forum/professions/thief/Guide-Book-of-Shadows-The-Thief-Handbook/page/3#post4910812 you should read this
Kenny Shayde/Ken Shadowpaw-Theef|Spiteful Sithis-Necro|Kennyneer-Engi|Mr Hex Appeal-Mesmer