Here is the full list of all 46 SaGa Frontier Remastered achievements.
Defeated the ultimate version of the boss battle chain.
Purchased all types of items sold at shops.
Had all recruitable characters join your party.
Had Ren, Doll, Rabbit, Silence, and Cotton join your party.
Defeated the masked fiend in Dev 2.
Completed the story lines of all eight protagonists.
Viewed Fuse's ending.
Defeated Abyssbat.
Had Zozma, White Rose, Ildon, Rei, Mesarthim, Time Lord, Nusakan, and Silence join your party.
Purchased all items that can be purchased in exchange for LP.
Had Red, Blue, Emilia, Riki, T260, Asellus, Lute, and Fuse join your party.
Viewed Blue or Rouge's ending.
Visited all regions.
Viewed Lute's ending.
Had Thunder, Suzaku, Slime, Kylin, Red Turnip, Sei, Riki, and Cotton join your party.
Transformed into a monster and became a black dragon.
Had Capt. Hamilton join your party.
Viewed Riki's ending.
Defeated Virgil in two turns or fewer.
Be possessed by Living Sword or Living Musket.
Had Leonard, ZEKE, BJ&K, Engineer Car, pzkwN, T260, and Rabbit join your party.
Viewed Red's ending.
Transformed into a monster and became a Dullahan.
Viewed Asellus's ending.
Transformed into a monster and became Mariche.
Received the gift of Arcane Magic.
Received the gift of Shadow Magic.
Viewed T260G's ending.
Switched to all mech chassis types.
Transformed into a monster for the first time.
Viewed Emilia's ending.
Received the gift of Light Magic.
Had at least 100,000 credits.
Sold gold for a certain amount of credits or more.
Infused a monster into a piece of equipment for the first time.
Performed a five-technique combo for the first time.
Received the gift of Rune Magic.
Used spells 100 times.
Had Roufas, Annie, and Liza join your party.
Had Fei-on and Mei-ling join your party.
Used techniques 100 times.
Mastered a technique for the first time.
Mastered a spell for the first time.
Had Rouge join your party.
Swallowed by Tanzer for the first time.
Glimmered a technique for the first time.