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Also The Records of eminence trial for leveling the job monk up, each one will give you rewards as your level increases. Including hand to hand skillup pages consumable item and 4 Tantra Seal: Feet for free. --Josiahkf (talk) 06:02, April 10, 2016 (UTC)

Please see link I've pasted for Tantra seal feet main page below. These seals can be farmed from 3 different NMs in Abyssea - Vunkerl. One is a 10 minute repop spawn time and the other two you have to trade specific pop items for the NM to pop. There is also a quest that is repeatable after zoning. The links for info on the NM's and the quest are one the main page I've pasted below.

Please be aware that the seal drops are random. You may end up getting Aoidos, Savant, Lancer, Iga, Raider, Charis, Creed, Navarch, Mavi or Tantra depending on which NM or if you chose the quest. I urge you to study the quest and NM links, check drop rates and items needed to makes farming easier for you.

One other possible source could be the daily sign in points rewards.  Sometimes they do include seals as part of the list of item you can "buy" with your daily sign in points.  You just have to watch each months campaign to see what the offer.  Skyfiredancer (talk) 05:10, January 28, 2016 (UTC)