By the time you're able to get this, your INT is going to be far enough over the cap that you can take several pieces of gear off and not see it drop, so this item not having any really matters little. Xxeric's Warbraid used to have WIS on it, and no INT (silk class only item). It's lame, out of sheer principle, but it really doesn't matter due to how ridiculously easy it is for casters (priest and silk) to max their primary statistic out.
Actully most people .. like me get this item for the clicky.... just like necros third spire and all there dot crit chacnes AAs . this robe is worth faction to get.. i just got mine and it the best.............
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Ribbitribbit 105 Necro Seventh Hammer > Merged to Tunare Thinlegs 85 Cleric Seventh Hammer > Merged to Tunare
At this stage of teh game, most will have most stats maxed, int included. Most endgameers look at raw HP/Mana and foci and asdditional stuff like that.
Its just the chest slot, as far as I can tell. The same is true for the cleric BP (except no wis). However, there is so much on the other pieces, that it really won't matter.