
Source: npc/quests/quests_ein.txt
1. Start at NPC Sick Old Man at ein_in01,231,163,1.
2. In the first dialogue, use this script line as anchor: switch(select("Airport:Factory:Train Station:Airship Repairshop:Laboratory")){.
3. The next decision point in the same flow is usually: switch(select("Remember the mine tunnel collapse?:Didn't you used to be a miner?:Have you lived in Einbroch all your life?")){.
4. Continue the chain and complete its requirements (items/dialog/test).
5. File-level completion checkpoint: getitem 1901,1;.