The Hand of Merlin
54 Achievements
GOG
Former Glory
Unlock all spells in Merlin's Core.
4.4%
How to unlock the Former Glory achievement in The Hand of Merlin - Definitive Guide
Over the course of your adventures you will unlock essence, these are shown as the blue gems on the top right of the map screen. You will need 9 essences to unlock every spell. You will more than likely earn these natively while progressing towards the other trophies.