If you already know the usual names like Koru-Moru, Qultada, or Ulmia, the real question is this: when do they actually use their support actions, and who do they use them on?
This guide breaks down the behavior patterns of support Trusts in FFXI. Instead of giving you a simple list, it shows the conditions behind their buffs, healing, debuffs, and special effects so you can build a better solo party.
TL;DR
- Koru-Moru is one of the most flexible support Trusts thanks to Haste II, Snap II, Phalanx II, Dia, Slow, and Distract.
- Qultada is your roll specialist for attack, accuracy, EXP, and MP support.
- Ulmia and Joachim are still the go-to song supports, but Joachim also adds healing utility and Elegy.
- King of Hearts has unusually strong enhancing support, including long buff duration and targeted Haste II / Refresh II behavior.
- Sakura, Kupofried, Kuyin Hathdenna, Star Sibyl, and Brigid are more like passive aura supports than active casters.
Which Trusts Count as Support Trusts?
The support category covered here includes the following 14 Trusts:
- King of Hearts
- Koru-Moru
- Ulmia
- Qultada
- Arciela
- Arciela II
- Joachim
- Brigid
- Star Sibyl
- Kuyin Hathdenna
- Kupofried
- Moogle
- Sakura
- Sylvie (UC)
Support Trusts by Job
Red Mage
- King of Hearts (RDM/WHM)
- Koru-Moru (RDM/WHM)
- Arciela (RDM/PLD)
- Arciela II (RDM/BLM)
Bard
- Ulmia (BRD/BRD)
- Joachim (BRD/WHM)
Corsair
- Qultada (COR/RNG)
Geomancer
- Sylvie (UC) (GEO/WHM)
Passive / Non-standard Support
- Brigid
- Star Sibyl
- Kuyin Hathdenna
- Kupofried
- Moogle
- Sakura
Behavior Patterns by Effect
Attack Speed Buffs
| Effect | Condition / Targeting | Trust |
|---|---|---|
| Haste II | Used on self, the player, and Shantotto II | King of Hearts |
| Haste II | Used on self and the player | Arciela |
| Haste II | Used on WAR, MNK, THF, PLD, DRK, BST, SAM, NIN, DRG, BLU, PUP, DNC, and RUN | Koru-Moru / Arciela II |
| Snap II | Used on RNG and COR | Koru-Moru / Arciela II |
| March | General song support | Ulmia / Joachim |
Practical note: if your main concern is melee tempo, Koru-Moru, Arciela II, Ulmia, and Joachim all contribute in different ways. Koru-Moru is the most condition-driven support caster in this group.
Multi-hit Support
| Effect | Trust |
|---|---|
| Temper | King of Hearts |
HP Recovery Support
| Effect | Condition / Targeting | Trust |
|---|---|---|
| Cure | Uses Cure when HP falls to 50% or lower | King of Hearts |
| Cure | Uses Cure when HP falls to 66% or lower | Koru-Moru / Sylvie (UC) |
| Cure | Heals the current target holder at 75% or lower, and others at 50% or lower. If a WHM is in party, the tank-target threshold drops to 50%. | Joachim |
| Illustrious Aid | Used when 2 or more party members are at 75% HP or lower | Arciela |
| Paeon | Song-based HP sustain | Joachim |
| Regen Sphere | Passive aura | Sakura |
| Indi-Regen | Geomancy-based regen support | Sylvie (UC) |
MP Recovery Support
| Effect | Condition / Targeting | Trust |
|---|---|---|
| Evoker’s Roll | Used when at least one party member is at 66% MP or lower | Qultada |
| Refresh II | Used on self, the player, and Shantotto II | King of Hearts |
| Refresh II | Used on self and the player | Arciela |
| Refresh II | Used on WHM, BLM, RDM, PLD, SMN, SCH, GEO, RUN, and /WHM subjobs | Arciela II |
| Ballad | General song support | Ulmia / Joachim |
| Refresh Sphere | Passive aura | Moogle |
Physical Attack Buffs
| Effect | Trust |
|---|---|
| Chaos Roll | Qultada |
| Fighter’s Roll | Qultada |
| Minuet | Ulmia / Joachim |
Magic Attack Buffs
| Effect | Trust |
|---|---|
| Magic Attack Bonus Sphere | Star Sibyl |
Defense Support
| Effect | Condition / Targeting | Trust |
|---|---|---|
| Phalanx II | Used on the current tank / target holder | King of Hearts / Koru-Moru |
| Physical + Magical Defense Sphere | Passive aura | Brigid |
Accuracy Support
| Effect | Condition / Targeting | Trust |
|---|---|---|
| Hunter’s Roll | Used when enemy evasion minus the player’s accuracy is 9 or more | Qultada |
| Madrigal | General song support | Ulmia / Joachim |
| Accuracy Sphere | Passive aura | Kuyin Hathdenna |
EXP / CP Support
| Effect | Trust |
|---|---|
| Corsair’s Roll | Qultada |
| Dedication Sphere | Kupofried |
Status Removal
| Effect | Trust |
|---|---|
| Status ailment removal | King of Hearts |
Debuff Behavior
Defense Down
| Effect | Trust |
|---|---|
| Dia | King of Hearts / Koru-Moru |
Attack Delay / Offensive Hindrance
| Effect | Trust |
|---|---|
| Slow | Koru-Moru |
| Elegy | Joachim |
Evasion Down
| Effect | Trust |
|---|---|
| Distract | Koru-Moru |
Special Traits That Matter More Than They Look
| Special Effect | Trust |
|---|---|
| Enhancing magic duration x1.5 | King of Hearts |
| Enhancing magic duration x1.25 | Arciela |
| Enhancing magic duration x1.3 | Arciela II |
| Uses Pianissimo to split songs intelligently | Ulmia |
Best Uses by Situation
If you want faster melee performance
- Koru-Moru for Haste II, Phalanx II, and utility debuffs
- Ulmia or Joachim for March-based support
- Qultada for attack or accuracy rolls
If you want safer solo play
- Joachim adds healing support on top of songs
- King of Hearts helps with Cure, status removal, Haste II, Refresh II, and Phalanx II
- Arciela can provide a useful emergency AoE heal through Illustrious Aid
If you want farming utility
- Kupofried for EXP support
- Sakura for passive Regen
- Kuyin Hathdenna for passive accuracy support
- Star Sibyl for passive magic attack support
Final Thoughts
Support Trusts are harder to judge than tanks or healers because their value depends on triggers, targeting rules, and party context.
That is exactly why understanding their behavior matters. Two support Trusts may look similar on paper, but once you know who they buff, when they heal, and which debuffs they prioritize, your five available slots become much easier to optimize.
If you are building around solo efficiency, support Trust selection is not a minor detail. It is often the difference between a party that merely functions and one that feels smooth.
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