Pharos Sirius (Hard) Dungeon Guide

(Heavensward – Patch 3.1) – Difficulty & Strategy

For full expansion comparisons, see the complete FFXIV Dungeon Rankings.

Overall Difficulty Rating

Overall Difficulty

★★★★☆

4.2 / 5 (Duty Finder Standard)

Evaluated under standard Duty Finder conditions with level sync active.
Assumes average party coordination and no voice communication.

Expansion Context

Introduced in Patch 3.1, Pharos Sirius (Hard) takes the frantic, often chaotic energy of its predecessor and trades it for a highly disciplined mechanical framework. This isn’t a dungeon that relies on luck or sheer speed; it’s about execution. The encounters are layered and deliberate.

If your group fails here, it’s rarely because of bad luck—it’s because someone missed a cue.

The game expects you to have your fundamentals down by now.

Tank Risk Assessment

You are the primary coordinator for some very messy “Cleanup” work.

Instant Add Pickup: The secondary enemies in Pharos (Hard) aren’t just distractions; they are the primary source of incoming pressure. If you don’t secure them the second they spawn, the healer’s throughput will be split, and the front line will buckle.
The Mitigation Rhythm: Boss spikes are predictable, but they hit with the weight of the level 60 patch tier. If your Rampart or Sentinel is even a second late, you’re putting the party on the defensive for the rest of the phase.
Spatial Discipline: The arenas are often cluttered or confined. Your ability to keep the boss oriented while leaving room for the DPS to resolve mechanics is the mark of a veteran.

If adds are not controlled instantly, healer strain escalates quickly.

Tank Risk Rating: 4.1 / 5

Mitigation timing and spatial awareness are critical.

Healer Strain Analysis

This is a job of “Managed Stability.” You have to be the anchor when the mechanics get busy.

Stacked Damage Profiles: Bosses love to pair targeted markers with room-wide pulses. You need to be proactive with your shields and regens. If you’re reactive in Pharos (Hard), you’re essentially waiting for a wipe.
The Layering Penalty: One mistake from a teammate is a heavy heal. Two simultaneous failures is an emergency. Stabilization becomes exponentially harder the moment avoidable damage starts to compound.
Throughput Endurance: These phases are extended. You need to pace your cooldowns and mana usage so you aren’t running on empty when the boss hits 10% and the mechanics are at their peak.

Most wipes begin when avoidable damage compounds faster than healing can compensate.

Healer Strain Rating: 4.2 / 5

Stability depends on preventing layered mistakes.

DPS Responsibility Index

Listen to the guild manual: your “Green Number” is a byproduct of your survival, not the goal.

The Exterminator Protocol: Add priority is non-negotiable. If you delay your target swap to finish a combo on the boss, you are effectively gambling with the healer’s life. Kill the adds immediately.
Precision Movement: This dungeon punishes poor positioning without warning. Whether it’s managing the “bombs” or the bird-tether mechanics, you have to be able to multitask under pressure.
Zero Tunnel Vision: This dungeon is designed to kill anyone who only looks at their hotbars. If you aren’t reading the arena, you are a liability.

DPS Responsibility Rating: 4.3 / 5

Execution determines survival.

Wipe Punishment Profile

Pharos Sirius (Hard) punishes repeated mistakes decisively.

Common wipe scenarios:

Add control failure
Overlapping avoidable damage overwhelming healer throughput
Tank collapse during burst windows
Mechanic mispositioning leading to instant deaths

Recovery after one mistake is possible. After two, unlikely.

Wipe Punishment Rating: 4.4 / 5

Heavensward patch content continues to reward precision.

The “Big Three” Wipe Scenarios

Add Escalation: The most common killer. Delayed target swaps allow secondary damage to stack until it exceeds the healer’s maximum output. It starts with a dead healer and ends with a reset.
Layered Mechanic Collapse: Two players failing a positioning mechanic at the same time. In the patch tier, the damage from overlapping failures is tuned to be lethal for average Duty Finder groups.
Burst Window Failure: A tank who tries to “save” their big mitigations for a later phase and gets crushed by a predictable spike. In Pharos (Hard), a missed cooldown is often an immediate ticket back to the start.

Overpull Tolerance

Low.

The dungeon rewards preparation and discipline. Reckless aggression in these halls is a fast way to destabilize the run.

Gear Sensitivity

Moderate.

Item level smooths out the trash, but the boss mechanics (like the bird tethers) will kill you regardless of your gear if handled incorrectly.

How to Unlock

Quest: “Things Are Getting Sirius”
Location: Mor Dhona (X:21, Y:8)
Level Requirement: 60
Expansion: Heavensward (Patch 3.1)

Final Guild Verdict

Pharos Sirius (Hard) is a precision refinement dungeon. It expects you to see the mechanics, understand the response, and execute without hesitation. There is no chaos here—only clear expectations and sharp punishments for failing them.

Execute cleanly, and the lighthouse stays lit.

Falter, and you’re just another ghost in the halls.

Guild Classification: Extreme Risk (Heavensward Patch Tier)