That's exactly what I said -- a wand of extended grave strike.KarinsDad said:This would not work. Activating a spell trigger item, even one of Swift spells, is a standard action. So, the Rogue could not both activate the wand and attack.
However, a Wand of Extend Spell Grave Strike would work. The Rogue could only attack every other round though.
kerbarian said:That's exactly what I said -- a wand of extended grave strike.
KarinsDad said:An Undead Bane weapon costs an extra 6000 GP on a +1 weapon and does an extra 2D6+2 damage (8000 GP).
An extra 10000 GP on a +2 weapon (18000 GP).
An extra 14000 GP on a +3 weapon (32000 GP).
An extra 18000 GP on a +4 weapon (50000 GP).
An extra 22000 GP on a +5 weapon (72000 GP).
Assuming, of course, that the weapon has no other properties.
The proposed Ring would do an extra 1D6 damage at level 1, 2D6 at level 3, ... up to 10D6 at level 19. Plus, it would stack with any weapon.
That's extremely potent. A lot more potent than the Undead Bane weapon. Even the +5 Undead Bane weapon only does an extra 2D6+5 damage (plus a little more for hitting more often). Compared to an extra 10D6 damage, that's pretty light.
So, the 10D6 version of item should cost considerably more than 72000 GP.
I would also put a limit on the maximum Sneak Attack damage possible. That way, there could be different versions of the Ring, all of them at a different cost:
+1D6: 2000 GP
+2D6: 8000 GP
+3D6: 18000 GP
+4D6: 32000 GP
+5D6: 50000 GP
+6D6: 72000 GP
+7D6: 98000 GP
+8D6: 128000 GP
+9D6: 162000 GP
+10D6: 200000 GP
Even thought many Rogues might get a cheaper one, very few would pony up for the more expensive ones. This, I think, is balanced.
Crothian said:Do something that gives Gravestrike 3/day or something limited like that. This ability all the time is just awesome, but limited number of times it should be able to allow him to have his fun and keep the item balanced.
Mistwell said:Except you assume the weapon always does that damage, which it does not. Unlike a standard +2d6, this damage only happens under the right circumstances (flanking, flat footed, feint, etc...). The price should go down significantly because of that restrictive use. All this weapon does is allow an existing situational ability to function under new circumstances - not actually add the damage every time no matter who wields it (which is the type of ability you based your calculations off of).

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.