Royal Guardian
Mutsie, Undertow
Villager and Hero Exp boost pots were indeed removed, together with the medallion extracting potions.
In return there is now a Bounty Hunters Badge, which is sortof a combined Hero exp/Medallion extractor and will give a set amount of charges rather than a window of time, where you get extra exp for each bounty you kill, and an extra medallion drop per bounty if that boss happened to be dropping those as well (Traven and Pyrron bounties)