Detail
Classic 1.10 upgrade chain: each D2 piece is earned by turning in the matching D1 piece plus gold/materials. (Classic baseline - Forever path unannounced.)
Sources
- wowhead.com/forever/news/new-and-updated-gear-set-bonuse… — Wowhead
- wow.gg/guides/wow-forever-tier-set-bonuses — wow.gg
- wowforeverwiki.org/gear-sets — wowforeverwiki.org
- 60.tools/sets — 60.tools
- wowhead.com/forever/item-set=1679 — Wowhead
- 60.tools/sets/1679-the-five-thunders — 60.tools