DISCLAIMER: Your Steps and Tasks may be different
In Bjarken talk to NPC Sisko, he will tell you about the map and key he needs. He will send you to retreive 5 maps parts from Hrimthursa Warriors (kill one of each warrior carrying one of the weapons below for the pieces: Spear, hammer, axe, sword, 2-hander sword and 2 hander axe) in Delling Crater near the Tuscaren Glacier, loc=42k, 12k. The con yellow and blue to a 50.
Return to Sislo and give him the 5 map pieces. He will then have you go kill a Griffon Frostwing for an "eye of Griffon Frostwing" and they con yellow to a 50 loc 25k, 25k (also seen at loc=21K 21K Delling Crater). They do not BAF. The eye is the key he is wanting you to get for him.
Return to Sisko again and give him the eye and you will get xp and gold. Get one of several Glacier Jewels.
Coin granted: 8 gold
lvl 47 received 1,248,000,000 exp
lvl 48 received 1,433,588,288 exp
lvl 50 received 1,891,631,104 exp
Champion level experience gained: 945