When the thunder of frantic footsteps outside jolted Bona out of his sea of books, he looked toward the door.
"At least the Ultramarines have someone competent."
His understanding of Tzeentch Sorcery was so shallow that even some Tzeentch sorcerers could easily outclass him in spellcraft.
To those followers of Tzeentch who painstakingly pursued mastery of sorcery, Bona's possession of such immense psyker power, coupled with his crude grasp of Tzeentch Sorcery, was practically a crime.
But as far as Bona was concerned...
Good enough was good enough.
Rather than pour his efforts into studying ancient texts to strengthen his spells, he might as well play to his strengths and overwhelm his enemies with sheer quantities of psyker power.
"Teresa, are you finished over there?"
"Yes, Master."
The most important thing now was to keep the Ultramarines from discovering Teresa's little maneuvers.
Bona gently extended a hand. A faint light flashed, and an outrageously conspicuous surge of energy spread out from the archives.
The Ultramarines still searching frantically all froze.
A Tzeentch sorcerer had slipped into the deepest recesses of the Ultramarines' fortress-monastery, then set off a firework to alert them.
Such brazen arrogance was practically tearing the Ultramarines' faces off and using them as toilet paper.
Then sticking them back on afterward.
Beside himself with fury, Calgar roared as he charged toward the archives and smashed the thick door apart with a single punch.
The mightiest Astartes among the Ultramarines-Calgar.
The moment he entered, he saw someone dressed in white robes.
Hmm?
Calgar looked around.
Where was the Tzeentch sorcerer?
But when he saw the man opposite him raise a Chainsword and point it at him, he knew this fellow had to be an enemy.
"Heretic!"
Calgar charged like a thunderbolt.
To Bona's eyes, Calgar was not all that