Items / Eldwurm's Edda
Eldwurm's Edda is a special item in Dota 2 patch 7.41f.
When consumed, increases Winter Wyvern's base intelligence by 25% of its current value at the time of consumption, and increases the current and maximum level of a basic ability by one. All values except for Mana Cost scale by 50% of the difference between their existing levels for the additional level