Erecting a new barrier will cancel the old one.Soul Mirror - Erect a barrier around the target that reflects physical attacks for 3 turns.The target also gains Soul Power when attacked. Soul Link - Use the Soul Power of your target instead of your own to perform abilities that require Soul Power.Cost: 1) - Raise heavy armor and helm proficiency to S rank. Cost: 1) - Allows you to use the Guardian specialty on other Jobs. Soul Blaster - Consume 50% Soul Power to unleash a powerful physical attack on all targets that does 1.5x damage.Cost: 1) - Begin each battle with Soul Power already at 50%. Soul Smash - Consume 20% soul power to unleash a powerful attack on the target that does 1.5x damage.Also clears a number of statuses and will lead to a game over if all other party members are K.O.Max HP, MP, and Soul Power will also be increased.Possession - Transfer your P.Atk, M.Atk, HP, MP, and Soul Power and take control of your target for 6 turns.Soul Power will rise by 25% for each attack sustained, up to a maximum of 100%.Guardian Spirit - Gain the ability to accumulate soul power, which can be spent on certain abilities.The specialty for Guardian is Guardian Spirit. You will also want multiple support skills, so there is no room for those that raise you to S rank in another weapon.Spears are what you want to go with since it is the only S rank.Accessories that increase HP or Defense, are useful.Definitely put a shield in your off hand, unless you are trying a damage dealing Guardian.