OOC:
That sounds right. Tannis will simply "open" his memories of his teacher's final moments to the Headmaster as he remembers them.
To say the battlefield is loud and chaotic would be the understatement of the century. People shouting commands, or just in anger... screams of pain... explosions... metal clashing against metal... and innumerable other noise from spells and arms. Smoke and dust drifts across the field, and when combined with the perpetual motion as the sides surge and fall back, it makes seeing much of anything a chore.
Tannis turns when he hears a familiar voice cry out in pain, only to be drowned out by the roar and crackle of flame. As smoke drifts by, Tannis sees his teacher even as a line of fire burns through her body in the same arc one might expect to see a greatsword swing at. He tries to move towards her, only to be flung back as a mighty clap of thunder momentarily deafens Tannis. When he gets back to his feet, an enemy soldier rushes at him as a sharp pain bites into his shoulder, and he spits out the arcane words and reaches forward to touch the soldier...
His next memory, his last memory of his teacher, was finding both pieces of her body. The fire had cut... melted?... clear through, charring everything it touched -- clothes, flesh, bone... all of it. He remembers finding Gavarenth's spellbook, as well as her gaming set. His gaze had lingered on her before he fled, and the point at which he begins to leave is whereTannis ends his memory.
"I am sorry, Sir. I couldn't even reach her."