Patch 1.1.0 Introduces Undocumented Level Requirements For World Tier 3 And 4
Level 40 is required to get credit for completing the World Tier 3 Capstone Dungeon and that Level 60 is required to get credit for completing the World Tier 4 Capstone Dungeon.
https://www.wowhead.com/news=334160/patch-1-1-0-introduces-undocumented-level-requirements-for-world-tier-3-and-4Open linkView original on kbin.social
Presumably gone as of 1.1.0b; haven't checked, myself.