Gunpowder

Source: npc/quests/quests_louyang.txt

1. In the Louyang revolution questline, build a full 8-member party (Sun Mao requirement).
2. Talk to Gunpowder Expert / Hao Chenryu at lou_in01 43,147.
3. Carry required chemicals: 7068, 7096, 7004 (at least one each).
4. Choose Make Gunpowder. in the menu.
5. He consumes materials and gives getitem 7204,1.