Yes I already saw that template, the problem is that you need to get decent gear AND THEN max Thorn on each possible piece which will take a long time to achieve, specially since you need 4x this...
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U are def doing something wrong. Maybe u dont have companion in your bar or something???? Check these screenshots:
http://imgur.com/zOwHiSo
http://imgur.com/4zz3Ogx
I just picked whatever crappy items I had, nothing to boost my toughness in any way, not even Emeralds and lacking vitality in pants and helm. I'm over 71M toughness without buff and over 100M with buff. Plain M6, Zoey's Secret belt and Cloak of Garwulf in cube, nothing more.
If I remove Companion skill from my bar, I go down to 13M toughness.
PS: Using Vengeance Seethe, just in case u are wondering the rune.
Well I finally found out that the defensive stats of my Marauder set on this character are very bad, specially because of "all resistances" (or the lack of it).
I used pieces from another set, just keeping 2x Marauder for the study, and I finally got a decent 77M toughness without the buff from the bracers -> 105M with the buff from the bracers.