PuzzleKnights : Defense

The Slime Invasion has begun.
Merge the knights to defend the castle.

[Game Tips]
1. Merge the knights in the same puzzle.
If you place the same knights up and down, it would be upgrade.
2. Try using your magic when you're in danger.
The monsters stop moving, and they are pushed back by skill.
3. If the game becomes difficult, try upgrading your character and castle.
You can upgrade various things with gold and jewelry.