New weapons and transitions!

Hello, this is a small update with some minor changes. Here are the most relevant ones:

New:

• Heavy Sword: A sword capable of destroying enemy projectiles.
• The Hammer: Applies knockback to enemies.
• Transitions: Added fade-out transitions between scenes.

Updated:

• Orc Boss Arena: Now includes more healing potions.

In Progress:

• Secret Ending
• General Polish: Overall improvements to the game.