Bags get easily and repeatably stuck inside tree geometry, tunnel geometry (tunnels into river from secret shops, souls will go into ceiling, as well as most other tunnel-structures with low height ceilings next to open air). And the #1 worst offender, teleporters. This is a serious issue, it's becoming a strategy to die in certain spots to deny 500+ bags from enemies. Maybe compile a list of all of the bad geometry, but imo just coding the bag drop mechanic to function more safely is a better answer.