First Devourer : Shadow Werewolf(2).
Bloodline skills differed significantly from skill tomes or spell tomes, spells could be obtained with enough wealth or connections, as long as one had the means or the right contacts, however, certain spells held intrinsic value that couldn’t be measured monetarily and could only be exchanged for something in equal value or it is gifted.
In contrast, bloodline skills were inherited, each Bloodline Mage awakened a range of spells related to their lineage, the extent of which depended on the purity of their bloodline.
They didn’t need to undergo the conventional process of learning these spells; instead, the spells were etched directly into the bones or brains of the Bloodline carriers.
This is precisely what had occurred with Alec, through the devouring of numerous shadow wolf souls, the shadow wolf tattoo had ascended to the Tier 4 realm.