Sage Mode is a powerful transformation used in the Naruto series, allowing a ninja to harness natural energy alongside their own chakra. This mode enhances physical abilities, sensory perception, and jutsu effectiveness, making the user significantly stronger in battle. To enter Sage Mode, a ninja must gather natural energy from their surroundings, which requires training and practice. Notable characters like Naruto Uzumaki and Jiraiya have mastered this technique, enabling them to tap into the wisdom and strength of nature, thus gaining an edge over their opponents.