[Icy Onslaught] The Source of the Invasion

Deliver the recovered Refined Snow Crystal Sample to Neinheart.

Neinheart thanks you for recovering the Refined Snow Crystal Sample.
You should tell him what you learned from Fogo Vermelho.

Neinheart thanks you for recovering the Refined Snow Crystal Sample. and you told him what you learned from Fogo Vermelho.
The invading Frost Fiends are from another world.
Neinheart had no trouble believing this, as contrary to most of the lifeforms of Maple World, the Frost Fiends are at home in the cold, and even seem to carry it with them.
Neinheart said they would send the Refined Snow Crystal Sample to Grendel for a magical analysis.