Update Notes for 7 June 2021

- Piercing arrows now shoot through enemies and can kill multiple enemies.
- Fixed the damage zones in Black Falls Swamp that killed the player instantly.
- Improved Tchall's pathfinding.
- Fixed a bug where the spells had to be upgraded twice to get to level 2.
- Fixed a bug where you could buy an upgrade for the spells past the maximum level, that would cost spirits but not change its level.
- Fixed a bug where the level 1 lighting spell didn't cost any mana to cast.
- Adjusted spell mana cost for all spells and spell levels.
- Fixed a bug where the main menu's music would not play after launch.