The followers' Mark had become one of his trump cards—a powerful one that could decisively determine victory. Unless it was an absolute last resort, he would never use it. Although activating it now could provide him with immense assistance and resources, its value paled compared to the impact it could have in a critical reversal.
Moreover, this hidden card could only be used once, and only the first time would it achieve the most potent effect. Take Boris, for example. Without him, things wouldn't have gone so smoothly. Otherwise, the gods of Ashen would have swarmed toward the royal capital in an instant.