Few options there:
Svargrond.
Ironically most of the "icy" monsters drops Winterberries ( perhaps they collected their own stash for Mulled wine!) : Ice Witch, Winter Wolf, Penguins, Dire Penguins, Crystal Spiders, Frost Troll, Frost Trolls, Frost Giantess, Frost Dragons and Frost Hatchlings, polar bears & Bonelords !
Zao/ Farmine- Lizard High Guard, Lizard Legionist, Lizard Chosen, Killer Caiman, Lancer Bettles, Mutated Bats and Dragons
Darashia: Dragons, Dragon lords, Hatchlings, Sandcrawlers
Laguna islands ( that I believe would be slow)- Tortiose, Thornback Tortoise, Azure and Orchid Frog
Fiehonja or Sunken Mines (IF mini world active)- Deepling Worker, Deeping Guard, Deepling Spellsinger, Deepling Scout