The game is crashing sometimes:
Traceback (most recent call last):
File "Lost Valkyrie.py", line 4613, in <module>
File "Lost Valkyrie.py", line 4515, in main_menu
File "Lost Valkyrie.py", line 4309, in play_game
File "Lost Valkyrie.py", line 2775, in handle_keys
File "Lost Valkyrie.py", line 4309, in play_game
File "Lost Valkyrie.py", line 2775, in handle_keys
File "Lost Valkyrie.py", line 4309, in play_game
File "Lost Valkyrie.py", line 2775, in handle_keys
File "Lost Valkyrie.py", line 4309, in play_game
File "Lost Valkyrie.py", line 2897, in handle_keys
File "Lost Valkyrie.py", line 3487, in weapon_throw
UnboundLocalError: local variable 'monster' referenced before assignment