As a new player, these are some key equips you should prioritize fully enhancing and limit breaking that are both permanently available and useful to farm.
• 5☆ Physical - Relic "Radeus" - Decent self ArtsGen equip, obtainable from Giant Boss > Glowing Sanctuary (Fosradius). Farm 1-3 copies for use until you obtain better options. ※ 4☆ Heal - Relic "Force Keratos" is also obtainable there as a great teamwide Status Cleanse equip. Farm 1-2 copies.
• 5☆ Magic - Magical Hat "Akashic Eye" - Decent self ArtsGen equip, obtainable from Side Quests > Freedom Fighters: Last Wishes (Grohl). Farm 1-3 copies for use until you obtain better options. ※ 4☆ Defense - Magical Sword "Siegel" is also obtainable there as a decent teamwide DMG RES equip. Farm 1 copy.
• 5☆ Support - Magisteel-Toe Boots - Decent teamwide ArtsGen equip, obtainable from Side Quests > Phantom Snipers Part 1 (Hart). Farm 1 copy for use until you obtain better options.
• 5☆ Support - Relic "Lesser Demonheart" - Decent target ArtsGen equip, obtainable from Giant Boss > Caverns of Dark (Valzendeth). Farm 1-2 copies for use until you obtain better options.
• 4☆ Support - Arc Ignite - Great teamwide ArtsGen equip for a 4☆, obtainable from Side Quests > Knights of Blood Part 1 (Berwick). Farm 1-2 copies for use until you obtain better options.
• 4☆ Heal - Betzfald - Great teamwide Instant Heal equip for a 4☆, especially on a Light unit, obtainable from Side Quests > Cross the Blaze Part 7 (Victoire). Farm 2-3 copies.
Here is a List of other USEFUL farmable equipment from permanent content. Limited equips (Gacha) should be prioritized based on banner-and-event-advice 's recommendations inside the official discord. (Between parentheses is the name of the boss).
• Claritus 4* Defense from “Crimson Flames of the Phoenix” (Flogassa)
• Dola Armor 4* Defense from “Life Draining Botanical Beast” (Goldola)
• Mavlocalypse 4* Physical from “Shadow of the God Eater" (Mavroskia)
• Logislett 5* Defense & Volkans 4* Physical from “Trials of the Flame God” (Ifrit)
From sidequest :
• Adamas Gear 5* Defense from “KoB III”
• Flame Stola 5* Defense from "KoB V"
• Raaz 5* Defense from "Crossed Hearts: To protect, to be Protected"
• Grand Destin 5* Physical from "CtB III"
• Insight 5* Physical & Splendor 4* Magic from "CtB VIII"
Sidequests are available after clearing Story Mode Ch. 5
• Dragon Scale 4* Defense from “The Dragon General's Sword” (Rohst) • Bray Cannon 4* Physical from “Weapon with a Heart” (Vicious) • Pierrot Crimson 4* Magic from “Pierrot of Flames” (Pientz) Luck Quests are on a rotation that can be seen within the game going Home > Exploring > Schedule (bottom left).
Use the Crest Palace Guide for help with farming. Use the Crest Recommendation Document to find out which crests are best on each unit.
(To add: ultra luck/luck units)