Table of Contents
Introduction
Grand cosmos is a level 80 dungeon in Final Fantasy Shadowbringers introduced in patch 5.1. To unlock this dungeon you need to accept “A grand adventure” main scenario quest from NPC Crystal Exarch in The Ocular, The Crystarium. There will be three bosses to defeat and we will learn all their mechanics today.
The Seeker Of Solitude
- Shadowbolt – A tank buster that targets the primary tank. Shield and heal as necessary.
- Immortal anathema – Group-wide AOE that targets all the party members. Healers be ready to heal as necessary.
- Tribulation – The boss moves to the center and a few puddles of dirt appear. At the same time, a few brooms will appear and start to clean the dirt puddle. Avoid the broom and avoid the AOE circles that will appear soon after. This broom will knock back you and give a debuff effect.
- Dark pulse – A random player will be marked with a stack-up marker. Group together to share the damage.
- Dark well – Circle AOE will be marked on all the players, Spread away to avoid overlapping damage. All these mechanics will repeat and overlap until the boss is down.
Leannan Sith
- Storm of color – A tank buster that targets the primary tank. Shield and heal as necessary.
- Ode to lost love – Group-wide AOE that targets all the party members. Healers be ready to heal as necessary.
- Direct seeding – Some sections on the platform will turn green and fertile. At the same time, few seeds will spawn in random areas
- Leannan seeds – The seeds inside the green area must be picked up and placed in the non-green area. If not picked up, it will spawn adds which will explode causing damage and debuff to players.
- Ode to far winds – Large AOE circles will appear on the platform. At the same time, all players will be marked with individual AOE circle markers. Find a safe spot and spread from each other to avoid overlapping damage.
- Ode to fallen petals – This is a platform-wide AOE damage. Move into the melee range of the boss to avoid damage.
- Seeding + knockback – All the seed and players will be knocked back from one side. Place the seed so that they will not get knocked back into the green area.
- Leannan seed add – If the adds did spawn destroy it immediately to avoid damage and slow debuff from their explosion. These mechanics will repeat until the boss is down.
Lugus
- Flammable furniture – Several pieces of furniture can be destroyed by fire. Save them for specific mechanics.
- Scorching left/right – A very large AOE swipe will be blasted either left or right. Move to the other side of the swipe to avoid damage.
- Otherworldly heat – Players will be marked with circle AOE that turns out to be a cross-shaped fire line AOE that will explode. Move to a safe spot to avoid damage.
- Mortal flame – Afflicts all players with lethal debuff. To avoid damage this debuff must be passed to the flammable items.
- Fire’s domain – players will be marked from 1 to 4 and tethered. Once done the boss will rush forward and inflict a frontal cone AOE attack. Move away from the boss and dodge the attack to minimize the damage.
- Culling blade – Group-wide AOE that targets all the party members. Healers be ready to heal as necessary. At the same time chandelier, will begin to fall from the ceiling. You can use it as a flammable item to cleanse your debuffs.
- Captive bolt – A tank buster that targets the primary tank. Shield and heal as necessary. These mechanics will repeat until the boss is destroyed.