Chapter 676: Backhand

e a dream awakening, hurriedly responding.Half an hour later, Li Chen swaggered into the heavily guarded General's Mansion.He came out dejectedly after a short while.Because he went to the wrong place...ent to the grenades of later generations.It's not that deep of a technical skill, but it's mainly about the idea.Once the idea is unlocked, with gunpowder and steel ball manufacturing technology, then...