### Summary
- [X] Lightning arrow no longer allows SDI
- [X] Lightning arrow now proc's even without arrows
- [X] Fixed NPE with lightning arrow when a monster is already killed.
- [X] Fixes NPE from account tags.
- [X] Fixes bad skill check due to missing cast to double.
- [X] Fixes water elemental duration.
- [X] Standardizes spell summon duration by expansion.
