|Clan Centurio Elite Mark||Koqmihn (Rabanastre Lowtown: Dalan’s House)||The Feywood, The Edge of Reason||250 Gil, Bacchus’s Wine x2, 500,000 Gil (Hidden), Rod of Faith (Hidden)|
|70||1,668,491||–||Ring Wyrm Scale, Behemoth Steak, Elixir|
|All (Halves)||All excluding Sap and Oil|
After visiting Balfonheim upon finishing Girvegan, you will be able to use the Strahl to fast travel to certain zones in areas on the map, which is when the Behemoth King hunt will unlock from Montblanc (Riskbreaker rank). You will find him in The Feywood, specifically The Edge of Reason, but he can be a little annoying to spawn. In order for the Behemoth King to appear, you need to kill the Giruveganus in The Edge of Reason, as well as all of the enemies (should be 29 in total) in Ice Field of Clearsight. When you return to Edge of Reason, Behemoth King should spawn where the Giruveganus was located. If not, then you may have to go back to Ice Field of Clearsight to see if any enemies have respawned.
As for the fight against this monstrosity, it can be particularly annoying, as the Behemoth King will be using palings throughout the battle. However, that isn’t until a bit later into the battle, as he will begin by slinging magicks at your party, which include Holy, Firaga, Blizzaga, Thundaga, Darkga and Ardor. Eventually, once he reaches a certain HP threshold, he will activate either the physical paling or the magickal one. If the latter, then the Behemoth King will use physical attacks and White Breath, the latter of which can inflict Stop. If he goes with the physical paling, then he will pelt you with the above magicks.
Once one of the two palings wears off, it will erect the other very quickly, basically cycling between the two throughout the entire battle. This means you need to pay attention as to which paling is up so you can adjust your strategy. To make matters worse, once the Behemoth King gets low on health, it will use Growing Threat to double its level, making it much stronger. The Behemoth King is around level 70 and has quite a lot of HP, so you are in for a long battle. In addition to halving all elemental magicks, it is also not vulnerable to any ailments. This essentially means you will want to use non-elemental magicks on him (Shock is an ideal choice because you are only fighting a single enemy). Don’t forget to dispel the beast when you first begin the fight, as he will spawn with various buffs.
It’s important to note that once you fell the Behemoth King and return to the petitioner, the reward might seem a little underwhelming. However, if you head to Mt. Bur-Omisace after the fact and find the wyrm statue. Since you control only Vaan in towns/cities, unequip his weapon and you should see a prompt for the “wyrm snout” when you get close enough. Strike it and some loot will fall, so pick it up for 500,000 Gil and a Rod of Faith.