My strategy for meeting anyone in Dark Souls is:
- See if they have anything I can use, if so, get it.
- Put on best armor and equip best weapons and spells.
- Kill the NPC, if I can.
I have a feeling that this strategy will come back to bite me in the but later on, but killing them is so rewarding. Which NPC's should I not kill? Based on loot, items, power, and helpfulness in the game.