Byakugan

Unique Abilities from the Combination

Enhanced Awareness

The user would have heightened sensory perception by combining the Sharingan's predictive capabilities with the Byakugan's extensive field of vision. This would allow for superior situational awareness in combat, providing a clear edge in any battle.

Strategic Combat

With the ability to see chakra pathways (Byakugan) and predict movements (Sharingan), the user would be exceptionally skilled in both offense and defense. This combination makes the user a formidable opponent, capable of both precise attacks and strategic defense.

Genjutsu and Taijutsu

The user could set up genjutsu traps using the Sharingan while simultaneously targeting chakra points with the Byakugan, leading to devastating combos. This seamless blend of illusions and targeted strikes would make the user a master of deception and combat.

Technique Copying with Chakra Insight

By copying techniques (Sharingan) and understanding their weaknesses due to insight into the chakra used (Byakugan), the user could develop more effective counter-strategies. This would not only enhance their skills but also provide strategic unpredictability in battle.

Unique Techniques

If the user were to develop a new technique, it might fuse elements of both dojutsu, potentially leading to innovative jutsu that utilize both visual prowess and chakra manipulation. These unique techniques would set the user apart, creating a versatile fighter capable of adapting to various situations.

Conclusion

While no canon character has been shown with this specific combination, the theoretical power of one Sharingan and one Byakugan would be formidable. This combination would allow the user to excel in both combat and strategic planning. The unique abilities gained from this combination would create a versatile fighter capable of adapting to any scenario, making them a legend among ninjas.