Help:

• you control the ninja outlined in an orange glow;
• the enemies you can attack or the location you may move are selected in a yellow glow;
• the green-glowing character is the boss; defeat him to finish the level;
• in a turn, you may either change the elemental form or attack the enemies;
• watch your hit-points!
• levels 20-25 have different gameplay; beat the first 20 levels to acquire 'Elemental Mastery'; this way you may change form anytime, allowing to perform attack and defense combos, thus being able to tackle harder enemies;
• press 'P' during the action to pause.