The"change" issue isn't about the minutiae of WoW Classic mechanisms, but more about the overall game generally. The understanding that will skew us would be your knowledge of the pursuit chains, maps, NPC places & other secrets we didn't have access to in Vanilla WoW Classic. Now we know way more than we did in the original game & that understanding will alter buy wow classic gold dramatically.
Been a very long time since I have played. However I am 99% sure sunder armor and also expose armor didn't pile. I recall needing to frighten rogues not to utilize so danger could be maintained by me with sunder armor expose armor. This was back when we had been doing Onxyia and Molten core host firsts, therefore it may have been changed in a subsequent vanilla patch. If I recall correctly it lightbringer wow gold
had been so bad you couldn't override expose armor using sunder armor, which was annoying when tanking.
After months of cultivation diremaul I can tell you nope. Ogre mages would immediately fireblast or even flamestrike in case you disrupted a frost spell, such as there is no cooldown for additional spell colleges, they are principal casters and will cast.