How to get the secret mission achievements.
Secret Mission 1 (Zagi)
“Defeat Zagi while protecting Estellise from Zagi’s attacks.” Just minimize the damage estelle takes.
Secret Misison 2 (Goliath)
“Downed Goliath by attacking its Achilles’ heel while it charges X buster.” Use a multi hit arte or attack on his glowing heel from behind to down him
Secret Mission 3 (Gattuso)
“Use the Billybally plants to stun Gattuso.” Attack the plants to stun Gattuso Make sure the bosses shield is down
Secret Mission 4 (Zagi 2)
“Lured Zagi to the side of the ship and knocked him overboard.” You can wait at the edge of the boat and use Overlimit to knock him over
Secret Mission 5 (Dreaded Giant)
“Downed the Dreaded Giant when it reared back and left itself wide open.” Wait for it to stand on its hind legs, at that moment run in and slash at them.
Secret Mission 6 (Gigalarva)
“Raven used Serpent to set a trap for the Gigalarva and prevented it from healing itself.” Use once Gigalarva has less than 24,000 HP.
Secret Mission 7 (Barbos)
“You took out the bridge supports, thus keeping Barbos from calling out more of his thugs.”
Secret Mission 8 (Cursed Wanderer)
“Downed the Wandering Skeleton while he is reloading his revolver” When he uses severed Fate A he generally has to reload his gun just guard it and then smack him around after the attack, Trigger Tune A also makes him reload, if you manage to get a strike after that.
Secret Mission 9 (Zagi 3)
“Let Zagi absorb too much energy, destroying his bodhi blastia.” Simply stand back and don’t attack, let him absorb aer till his blastia explodes.
Secret Mission 10 (Pteropus)
“You defeated the Leader Bat and prevented Pteropus from recombining.” – Kill the Leader bat before the adds.
Secret Mission 11 (Outbreaker)
“Destroyed the core and prevented magic from inverting day and night.” Destroy the core, but you have to do it before you defeat Outbreaker.
Secret Mission 12 (Belius)
“You lit up all the candlesticks and eliminated the illusions of Belius.” Use Yuri’s Destruction Field arte to relight the four candles once the Belius double appears.
Secret Mission 13 (Nan & Tison)
“Timed your strikes between Nan and Tison’s attacks to knock them down.” Tison and Nan have a magic attack which causes their weapons and arms to get stuck in the ground. Wait for them to use this attack and hit them while they are stuck. Must down both.
Secret Mission 14 (Schwann)
“Downed Schwann by attacking when he was clutching his heart after his mystic arte.” Guard against his mystic arte and run up and hit him while he’s panting and such.
Secret Mission 15 (Zagi 4)
“Use Karol’s Nice Recovery Smash arte to force Zagi to recover from poison.”
Secret Mission 16 (Baitojoh)
“Hit Baitojoh 3 times during its Ice Edge attack and fighed it out of the water.” Watch for Baitojoh’s fin for the Ice Edge attack. When you see it, attack it. If you can hit it before Ice Edge is complete it gets hurled out of the water.
Secret Mission 17 (Estellise)
“Use the item, Mother’s Momento, on Estellise.” There is a sub event called “What’s Important to Estellise” in Mantaic that is triggered at night(Essentially just sleep at the inn when you first arrive twice when you can). You have to return there before going to Myorzo to get the item. Also don’t use the item until you are only fighting with Yuri.
Secret Mission 18 (Yeager)
“Make Yeager’s heart explode by using Raven’s Rain arte.” When Yeager reveals the hermes blastia in his heart during the second half of the battle, guard break him, then have Raven use his Rain arte. Alternativly you can Just Overlimit with raven and spam rain til it works.
Secret Mission 19 (Alexei)
“Downed Alexei by attacking him when he was tired after his mystic arte.”
Secret Mission 20 (Cursed Wanderer 2)
Used the item, Maris Stella. (The Item is gotten in Zaude, in the area with the giganto monster)
Secret Mission 21 (Gusios)
“Attacked Gusios’s tail then downed him while he stood on his hind legs.” Attack his tail. When it retracts, Gusios will stand on his hind legs and pound his chest. Use this opportunity to knock him down.
Secret Mission 22 (Khroma Dragon)
“Downed Khroma by timing your strikes between a certain group of her attacks.” When Khroma uses her earthquake attack rush towards her while rocks fall from the cieling. Slash her after she slams the ground.
Secret Mission 23 (Flynn)
“Allow Flynn to use every arte he could, including his mystic arte.” Stay back and don’t attack, let Flynn use all of his arte’s. Attack him once he uses his mystic arte, which will force him to use his healing artes.
Secret Mission 24 (Zagi 5)
“Downed Zagi by attacking him between his Blastia Bane.” Guard against Blastia Bane, then knock him down as he recovers.
Secret Mission 25 (Duke)
“Defeated Duke using a mystic arte.” 2nd Battle Only