She cannot be in both oaths at the same time. As a swift action, she may choose to be under the effects of either Shield Oath or Sword Oath (see below).

Oath Stance (Su)ДЄt 1st level, the holy knight swore an oath to guard and fight for the weak. This limit break requires only a swift action. The holy knight and all allies within a 30-ft.-radius of the holy knight take half damage from any source for a duration of 1 round + 1 round per four holy knight levels after 1st. Last Bastion (Su): This Limit Break allows the holy knight to use the power of light to protect herself and her allies to reduce harm inflicted. This dispels any concealment granted to any enemies within the area of effect and causes them to be afflicted with the Blind status effect for the duration of the limit break, a Fortitude save (DC 10 + half of the holy knightвЂ™s level + her Charisma modifier) to negate this effect. Limit Breaks (Su)ДЄt 1st level, the holy knight receives the Limit Breaks (Brightest Day and Last Bastion).Д«rightest Day (Su): This Limit Break causes a bright light to erupt around the holy knight and her allies within 30 feet for a duration of 1 round + 1 round per four holy knight levels after 1st. Holy knights are proficient with all simple, martial weapons, and knight swords and with all armor (light, medium, and heavy) and shields (including tower shields). Lay on Hands (5d6), Blessing, Flash of LightДЄll of the following are class features of the holy knight. Lay on Hands (3d6), Unwavering Confidence Lay on Hands (2d6), Blessing, Shared Defense Holy Grace, First Into Battle, Divine Arts Lay on Hands (1d6), Oath Stance, Cover, Limit Breaks Skill Points Per Level: 4 + Int modifier Table: Holy Knight Level The holy knightвЂ™s class skills (and the key ability for each skill are Craft (Int), Diplomacy (Cha), Handle Animal (Cha), Heal (Wis), Knowledge (nobility) (Int), Knowledge (religion) (Int), Profession (Wis), Ride (Dex), Sense Motive (Wis), and Spellcraft (Int). Starting Wealth: 5d6 Г— 10 gil (average 175 gil.) In addition, each character begins play with an outfit worth 10 gil or less. Their magic and martial skills also make them well suited to defending others and blessing the fallen with the strength to continue fighting. Role: Holy knights have abilities that strengthen their attacks or deal heavy damage. Using their Divine arts to protect or heal their allies and using their Holy brand to vanquish their foes. Trained under the royal banner of UlвЂ™dah, and known by some as the Sultansworn, these holy knights use the divine light inside them to protect their Oaths and their allies.

Holy knights are righteous guardians of the weak.

Knight final fantasy tactics