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The armor stacking change was an unintentional nerf to the Robo Goblin 20 upgrade
[[Robo-Goblin]] [[Mecha-Lord]]
Robo Goblin's activateable gives 40 armor, and the upgrade gives 25 armor passively. These used to stack, likely intentionally, for 65 armor. Now it only provides the 40 armor, making the upgrade a fair bit weaker.
Neyman
This is currently working as intended. Thank you for being a vigilant goblin though!
When we made the Armor changes so that the bonuses no longer stacked, we did a pass and buffed a bunch of the Armor values anticipating this change. Robo-Goblin was buffed from 30 to 40 Armor at that time, and seeing as how Mecha-Lord was already far and away the most picked and best Talent at 20, we decided him going from 55 to 40 Armor when he activates Robo-Goblin was still an acceptable change.
Neyman
Garrosh is special, yes.
Neyman
Armor buffs/debuffs from the same source should still stack. Shrapnel Mines are no exception. You can still stack the negative Armor from this just like you used to.
Neyman
Only Garrosh, off of memory.