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Cosmo Fiend: Rosen
Revision as of 01:06, 4 November 2019 by NoirGraves (talk | contribs)
Strategy
- Before entering either The Gate's Black or White Universe, both parties should decide on what element to choose for Rosen's Transcendent Planet phase. For example, if you're the main damage dealer for party 1-4 that wields a high
Water Element attribute and 5-8's main dealer specializes in 
Shadow Element, everyone else should switch to that element by using a Cube Contract and selecting a specific cube color.
- This doesn't bother classes like Elementalist, Elemental Bomber or Sword Master who can use all four elements with their skills, but it's still recommended either way.
- Due to Fiend War forbidding cooldown-related consumables and equipment, hard resetting is the only way for both main damage dealers or Crusader/Enchantress to regain their skills by dying to Hex Pillars and revive with
Life Token.
- Bring at least two Physical Enhancement Potions for Rosen's main groggy phase and during Rush only if your party couldn't 1-cycle him and begins a second one.
- If you have a Savior's Triumph Weapon (excluding Crusader/Enchantress), the explosion's effect range could possibly help with the Crystal Prison pattern in Glacial Planet
- Learn at least one level of
Leap to avoid the Ablazed Hexes pattern in Flame Planet. Certain classes such as Female Spitfire's 
Nitro Motor or Dragon Knight's 
Dragon Wing also helps during the phase.
Thunder_Hammer:_Jupiter/
Purifying Lightning is very helpful in Storm Planet when Rosen launches out the Small Green Tornadoes as this won't damage the party members for a short period of time.
- There are two different tactics that both parties can use when facing Rosen which are Rush & Delay depending on the Planets phases are either in:
- Rush: First planets normally count during this so clear it soon as possible. If the second planet is destroyed, wait for the other party during. Standby.
- Delay: Chip away at Rosen's HP, but do not kill him out right depending on which planet phase he's in since Storm & Transcendent Planet are very time consuming and both phases requires cooperation from either party to make sure either side is prepared to defeat Rosen when he enters his main groggy phase as delaying can be useful for hard resets.
- But since the planets are randomly picked, both parties can either rush any planet if they are strong enough to 1-cycle Rosen or prefer to delay if one party needs more time to prepare.
