You must complete the Un-Bearable Cold quest first. Then go to him and invite him!
yofatmomma11
In the map, select vasalakar lair. There u can find Galanoth. do his quest and unlock his shop to buy a new Armour called dragon slayer. It looks like the Galanoth's Armour
shutup
he does not have a shop
you must complete the last quest (dragon marshall) that galanoth has for you, but to do that you need to do all the free user quests before that.
give them to galanoth when you do his quests
there is only two famous dragonslayer and his name is skyguardian and galanoth! (skyguardian is in a secret place it is said that he has beatten galanoth in a major fight)!
do all of galanoth's quests at the lair
go to travel, Dragesvard, and talk to galanoth.
Galanoth and Dragonslayer Bob.
Do the random quest at Galanoth.