
Source: npc/quests/Lvl4_weapon_quest.txt
1. Finish level-4 weapon branch with Waltboughst up to final roll (LV4_57).
2. Turn in materials and reach his final result dialogue.
3. For lv4_weapon == 57, result is split by rand(1,2).
4. Second outcome gives Grand Cross.
5. Script line: getitem 1528,1.