The Ridorana Lighthouse

Stormblood Raid Lv70 iLvl 335

The second 24-man alliance raid in the Return to Ivalice series, ascending the Ridorana Lighthouse from Final Fantasy XII. Features Esper bosses and the notorious math mechanic.

Famfrit, the Darkening Cloud

A water Esper that uses jug-based directional attacks.

MechanicTypeDescription
TidepodTankbusterHigh tank damage
Water IVRaidwideModerate raid-wide damage
Briny CannonadeSpreadPurple markers drop circular AoEs - spread out
TsunamiKnockbackKnockback to edge with raid damage; watch jug direction for follow-up
Tsunami (Column)AoEColumn AoE in jug direction
Tsunami (Area)AoEHalf-arena attack in jug direction
Dark RainSpreadConsecutive puddles on moving players
Dark Ewer (Line)AoE3 hurricanes travel straight across arena
Dark Ewer (Circle)AoE3 hurricanes rotate in rings around arena
Darkening RainfallAdds3 Dark Rain adds - each alliance kills one before cast completes
Dark CannonadeStackRed triangle markers - stack with another player

Strategy: Watch the boss’s jug direction during Tsunami to anticipate follow-up. Each alliance handles one Dark Rain add.


Belias, the Gigas

A fire Esper with time-based mechanics and clone charges.

Phase 1

MechanicTypeDescription
FireTankbusterHigh tank damage
Fire IVRaidwideModerate raid-wide damage
Time EruptionAoEGrid with fast/slow clocks - stand on slow, move to fast after it explodes
Crimson CycloneAoE2 clones dash across arena following arrows - find safe zone
Hand of TimeAoENails tether with stacking debuff + Slow - run away until debuff = 1
EruptionSpreadConsecutive puddles on moving players

Phase 2 - Gigas Adds

MechanicTypeDescription
GigasAdds3 adds that buff if close - separate and kill before Duty Gauge fills
HellfireEnrageDamage based on Duty Gauge

Phase 3

MechanicTypeDescription
Time BombAoE4 clocks with hands pointing to AoE locations - stand in clock to rotate hands

Strategy: For Time Eruption: slow clocks → fast clocks explode → move to empty spots. Track clone paths including arrow redirects.


Construct 7

A mechanical boss infamous for its math-based mechanics.

MechanicTypeDescription
DestroyTankbusterHigh tank damage
AccelerateStackOrange markers spread; unmarked stack on stack marker
PulverizeAoEInstant point blank AoE - stay out of melee
CompressAoEColumn AoE following Pulverize
CogsAoE6 large persistent puddles
IgniteSpreadBoss divebombs from edge; orange markers drop AoEs
LithobrakeAoEProximity AoE at center
DisposeCleaveRotating cone AoEs - stay behind boss entire duration

Computation Mode (Math Mechanic)

  1. Boss reduces all HP to 1-8
  2. Four circles appear adding 1, 2, 3, or 4 HP if you stand in them
  3. Boss says “Calibrate vitals to…” followed by condition:
    • “Multiple of X” - adjust HP to be divisible by X
    • “Prime number” - adjust HP to 2, 3, 5, or 7 (1 is NOT prime)
  4. Stand in circles to adjust HP or stay outside if already correct
Current HPMultiple of 3Multiple of 4Multiple of 5Prime
1+2 (3)+3 (4)+4 (5)+1 (2) or +2 (3)
2+1 (3)+2 (4)+3 (5)Stay (2)
3Stay (3)+1 (4)+2 (5)Stay (3)
4+2 (6)Stay (4)+1 (5)+1 (5) or +3 (7)
5+1 (6)+3+4 (12)Stay (5)Stay (5)
6Stay (6)+2 (8)+4 (10)+1 (7)
7+2 (9)+1 (8)+3 (10)Stay (7)
8+1 (9)Stay (8)+2 (10)Outside area

Tartarus Mode (Alliance Split)

AllianceMechanicResponse
APolarity tethersMatch (+/+, -/-) = stack; Opposite (+/-) = spread
BMissilesDodge missile AoEs
CAcceleration BombsStop ALL actions when dice reaches 1-0

Annihilation Mode

  • Compress hits 4 columns in cross shape
  • Dispose lasts longer

Strategy: Learn the math chart or understand the logic. Dispose is deceptively long - stay behind boss.


Yiazmat

The legendary dragon from FF12, now a Lucavi-possessed Ba’Gamnan.

Phase 1

MechanicTypeDescription
Rake (Tank)TankbusterNo telegraph version - high tank damage
Rake (Stomp)AoEOrange arrow version - boss stomps circular AoEs following arrows
Dark GaleSpreadConsecutive circular AoEs under moving players
Stone BreathGazeBoss stands on hind legs - massive frontal AoE with Petrify; stay behind
Dust StormRaidwideModerate raid-wide damage
White BreathAoEMassive donut AoE - only safe in boss hitbox
Magnetic LysisAoE+/- debuff; arena split into two sides
Wind AzersAddsTether and attack with column AoEs
DeathstrokeStackStack marker on one player
CycloneRaidwideHeavy damage with air throw - levitating players die instantly

Magnetic Lysis System

  • Players get + or - debuff
  • Arena divides into + and - sides
  • Standing on MATCHING side = levitate (death during Cyclone)
  • Standing on OPPOSITE side = grounded (safe)

Phase 2 - Heart Phase

MechanicTypeDescription
ArchaeodemonsAdds3 adds - each alliance kills one
Heart of the DragonAddsBecomes targetable after adds die - burn quickly
Solar StormEnrageDamage based on Duty Gauge

Phase 3

MechanicTypeDescription
Growing ThreatEnrageBoss damage buff - kill quickly

Strategy: Always stand on opposite polarity side. Watch for Rake arrows. Stone Breath requires immediate repositioning behind boss.

Notes: The Magnetic Lysis mechanic is the key to survival. Wrong polarity during Cyclone = instant death.