List of Diego's supports and how to unlock each support rank.
Diego Oro / Orchel's Devotee
Starting class: Commoner, Starting level: 3
Base stats: HP 26, Str 10, Mag 4, Spd 9, Dex 10, Def 5, Res 3, Lck 7, Cha 5
Growth rates: HP 45, Str 40, Mag 20, Spd 45, Dex 60, Def 35, Res 20, Lck 35, Cha 30
Sword D (Boon), Spear E, Axe E, Bow D (Boon), Gauntlet E, Black Magic E (Bane), White Magic E, Authority E (Boon), Infantry E, Riding E, Armor E, Flying E
Caretaker: Adjacent allies cannot suffer a follow-up during combat. Trigger % = 5.
No Mercy, No Mercy+
Sword: Sunder (D), Destreza (C), Skysplit (B), Heat Haze (A)
Spear: Tempest Spear (D), Quick Thrust (C), Graceful Blow (B), Knightkneel (A)
Axe: Smash (D), Hurl (C), Battleblade Strike (B), Killer Spike (A)
Bow: Warning Shot (D), Surprise Shot (C), Twin-Shot Flow (B), Spirit Bow (A)
Gauntlet: Deal Death (D), Beatdown (C), Fading Assault (B), Assassin's Fist (A)
Black Magic: Wind (D), Blizzard (C), Cutting Gale (B), Ice Blade (A)
White Magic: Laia (D), Nosferatu (C), Silence (B), Berserk (A)
Authority: Rein (D), Rein+ (C), Counter Fliers (B), Caretaker Stance (A), Counter Fliers+ (S)
Infantry: Dodge (D), Positioning (C), Surprise Attack (B), Positioning+ (S)
Armor: Narrow Defense (D), Armored Combat (C), Armored Combat+ (B), Dexterity Fend (S)
Riding:
Flying:
Equipment: Bronze Sword, Wooden Bow, Starting combat arts: Sunder, Warning Shot
Cai's Path: Chapter 3, support level 3, renown 10
Dietrich's Path: Chapter 4, support level 3, renown 9
Theodora's Path: Chapter 5, support level 2, renown 8
Leda's Path: Chapter 4, support level 3, renown 8
Arrowhead Gem, Decorative Arrows, Portrait of Yu Phas, Wing Fletching
Bow Repair Kit, Crimson Ghosh, Herbal Recipe Guide, Joint-Relief Gloves, Protection Figurine, Rare Spices, Sharp Dagger, Training Pillar, Training Weights
Goat Roast, Pumpkin Soup, Sand Boar and Beans