Can a rogue or assassin, with 6 or 7 total levels, use sneak attack when he is attacking someone with Improved Uncanny Dodge, like a barbarian 5th or Warblade 6th?

  1. If rogue attack from invisibilty
  2. If rogue flanks target
  • \$\begingroup\$ Can you explain why you think it should or should not work? \$\endgroup\$ – nvoigt Oct 23 '15 at 20:27
  • \$\begingroup\$ I don't know what you mean by "rogue/assassin 6-7th lvl" – do you mean a multiclassed character with 6 levels of rogue and seven levels of assassin (total of 13 levels)? Or do you mean a rogue/assassin whose total level is 6 or 7? The standard way to write multiclassed characters’ class levels is, for example, “Rogue 6/Assassin 7” (six levels of rogue, seven levels of assassin, thirteen levels total). \$\endgroup\$ – KRyan Oct 23 '15 at 20:37
  • \$\begingroup\$ i mean rogue or assasin with total lvl 6 - 7 \$\endgroup\$ – user1195154 Oct 23 '15 at 20:39

Invisibility: A barbarian of 2nd level and above will keep it's dexterity bonus to AC if attacked by an invisible attacker. That's explicitly stated in his 2nd level feat Uncanny Dodge. There is no way to mitigate this defense through being higher level.

Flanking: A rogue needs to be 4 rogue class levels above the 5th level barbarian with his Improved Uncanny Dodge to be able to flank him effectively.

So a rogue only one or two class levels as rogue above a 5th level barbarian cannot use sneak attack against the barbarian through Invisibility or Flanking alone. The only effective way to use sneak attack would be a means to have the barbarian immobilized prior to the attack, because that would negate his benefits from Uncanny Dodge (cannot dodge if you cannot move). Other options to remove the barbarians bonus to dexterity would include feinting and various grappling situations.

As the Warblade gets Uncanny Dodge at level 2 and Improved Uncanny Dodge at level 6, the same goes for a Warblade of level 6.

  • \$\begingroup\$ Thanks, i think its true. but our DM is ****ing munchkin =( \$\endgroup\$ – user1195154 Oct 23 '15 at 20:40
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    \$\begingroup\$ Warblade is in Tome of Battle and gets Improved Uncanny Dodge at 6th level. It is also available freely and legally from Wizards’ website. \$\endgroup\$ – KRyan Oct 23 '15 at 20:44
  • \$\begingroup\$ Oh, cool, didn't know it was free. \$\endgroup\$ – nvoigt Oct 23 '15 at 20:45
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    \$\begingroup\$ That excerpt lacks the actual maneuvers that the warblade uses, but as luck would have it, you can also get all of those from the maneuver cards that Wizards published as a web enhancement. You can literally play a warblade, completely free and legal, without ever seeing Tome of Battle. Which is wonderful, since it’s one of the best-designed classes in all of 3.5. \$\endgroup\$ – KRyan Oct 23 '15 at 20:50
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    \$\begingroup\$ "The only effective way to use sneak attack would be Invisibility and a means to have the barbarian immobilized prior to the attack..." Um. I'm not sure what that means. Is that the condition immobilized (RC 35) or the more casual immobilized that comes from being helpless or unconscious? In the first case, the barbarian still isn't vulnerable to sneak attack damage, and, in the second, he'd be vulnerable to sneak attack damage without the need for invisibility on the part of the rogue. \$\endgroup\$ – Hey I Can Chan Oct 23 '15 at 23:57

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