Blizzard has added the Battle for Azeroth expansion to the list of timewalking campaigns in Patch 10.1.5.

In addition to all the previous expansions, you can now select Battle for Azeroth as your timewalking campaign when leveling up a character between 10-60.

This was spotted by content creator MrGM on the 10.1.5 PTR.

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Blizzard has increased the maximum level for Chromie Time to 61 in Patch 10.1.5 and some Classic Dungeon bosses have been rebalanced.