Seeds of the Blacksouled Keepers

The glade to the northwest, now the Twisted Glade, used to be home to a number of keepers of the glade. Together with the sisters, they saw to the glade's upkeep.$B$BWhen the glade changed, the sisters died, but somehow the keepers managed to survive. Now, they seed the land with poisonous spores that wither healthy greenery.$B$BI'll give you one of the cores from the ice elementals. Once you've destroyed a spore, use the ice crystal to freeze it and keep it from regenerating.