C89 Add the Howitzer

Ye Ling felt that it was too dangerous just now. If he didn't dodge the assassin's attack, his heart would have been pierced by the scythe in the assassin's hand.

The assassin didn't give Ye Ling any time to think or react. He slid to Ye Ling again and slashed the sickle in his hand at Ye Ling. Ye Ling had already determined the direction of the sickle