The bearer knows the Hereditary Spell of its Army Book in addition to its other spells, cannot select it during Spell Selection, and cannot replace or otherwise lose it.
Constraints (2)
Max Magical Heirloom by Parent Max 1 selections per parent
Max Magical Heirloom by Roster Max 1 selections
Modifiers (2)
When points ≥ 8000
Set Max Magical Heirloom by Roster to 2 selections
When points ≤ 3000
Set Max Magical Heirloom by Roster to 1 selections