The Oak Staff is a brown staff made from carved oak wood and decorated with green oak leaves. The head resembles a Wooden Idol with glowing green eyes.
The Oak Staff heavily focuses on Natalie's defenses. It gives her a boost in HP, MP, Defence and Magic Defence, at the cost greatly decreasing her Attack and Magic Attack. It also increases her resistance to Earth, Wind, Poison and bless her in battle.
Epic Battle Fantasy 4
The Oak Staff is found on Battle Mountain, in one of the two chests accessible after beating the Armored Oak.