Challenge: Hidden Strike: Black Chariot at 6-6 Defeats Red Cannon at 7-10 - Can you solve it?

When the Black Chariot at 6-6 launches a 'Charge' attack on the Red Cannon at 7-10, the battlefield suddenly turns into a pile of ashes. The Black General at 6-8 waits for an opportunity to counterattack while the Red General at 6-2 worries about this unexpected turn.