FFXII - Espers - Adrammelech, the Wroth

Makara Ascendant
Emperor among the scions, able to reduce to nothing aught he strikes with a single vengeful blow of his fist, created in opposition to Deudalephon the Benevolent, scion of light. Though he was made by the gods to quell the fiends that raged in the Otherworld, his immense strength and fearsome visage drew the fiends to his side, and turned him against his creators. Adrammelech rose to prominence in the Otherworld, whence he led a fiendish horde against the gods, but in the end, he was defeated.

Previously seen in: Final Fantasy Tactics as one of the Lucavi (Adramelk), and as the Totema for the Bangaa in Final Fantasy Tactics Advance.

Location: Zertinan Caverns, Athroza Quicksands. You can reach this area from the Westersand, the Ozmone Plains, or the Nam-Yensa Sandsea. When the mini-map looks distorted, it means he's nearbye.

Battle info
Status: Protect, Shell, Haste, Flying
Weak: Ice, Absorbs: Thunder, Immune: Other elements
Steal: Capricorn Gem
Attacks: Bleed (induces sap), Thundara (~700), Thundaja (~1000 all plus chance of Stop), Perfect Defense (Paling & Magick Shield)
LP received: 36
LP required to learn: 25

Advice: Shambling Corpses (Level 38, HP 4518, Undead, Weak: Holy) constantly pop up over the course of the fight, so it's a bit of an added nuisance. Start off by casting Dispel; he's a flyer, so you will be unable to reach him with melee weapons (unless you have the technick "Telekinesis", which is only available towards the end of the game). Adjust your weapons accordingly (i.e. bows and guns) and adjust your gambits if you want your characters to not be too distracted by the Shambling Corpses. Batter him with your top ice magic and ranged weapons and you'll be fine.
Note that there are only two ways to remove Stop: the item "Chronos Tear", or magic Dispel, so if you have either at this point be prepared to use it to remove it. Likewise, Sap can be removed with either Esuna or Regen. Towards the end, he'll use Perfect Defence and be untouchable for a span of time.