"To think that they have more tricks! The humans are wicked! There's no doubt about it!"
That being said, General Gerald wasn't really concerned with having a hundred head wolfrider captains dying just then. It was a war that would decide their entire empire's future. As long as he could bring out his enemy's real strength, even if it was just a bit more, he was happy to pay the price for it.
Besides, he's learned something here. The heavy fire oil tactic might be deadly, but it's not something that the humans could afford to bring out early in the battle. He wasn't sure what it took to harvest and manufacture the heavy fire oil, but judging from the way the humans were saving it up till now, it was easy to tell that it was meant for times of extreme emergency.