How to defeat Jas in FANTASIAN Neo Dimension

Jas in FANTASIAN Neo Dimension is the final boss of Mistwalker's action RPG. Thus, there is no doubt that this is one of the toughest and one of the longest fights you'll ever take part in. This fight will have multiple phases, each with a different gimmick. There will also be no save points between the phases of the boss, so you must be equipped with your best gear to survive this battle of attrition.

Here's a walkthrough on how to defeat Jas in FANTASIAN Neo Dimension.

How to defeat Jas in FANTASIAN Neo Dimension

Party setup

The recommended party composition should be Leo, Cheryl, and Ez. This will apply to the first two phases of the fight. Here are a few important moves you need to acquire for the members:

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Member	Moves
Leo	Blade Break, Samidare Hits +, Fire and Lightning Samidare, Concentrate, Counter.
Cheryl	Concentrate, Double Charge, Support Charge, Blizzard Strike, Darkness Strike, Counter.
Ez	All Potion L, All Potion+, Attack Turns Up, Defense Turns Up, Quick All.

Jas in FANTASIAN Neo Dimension will mostly use elemental debuffs in the first phase of the fight. As such, all the party members should be equipped with Blue Quartz to prevent this. He can also cast a random status ailment in the fight, you can prevent its effect in a few ways

Leo - Equip the Holy Belt (from the Cinderella Tri-Stars quest).
Cheryl - Equip the Crystal Quartz (from the God Chest in Bernard's Lab).
Ez - Equip his weapon — Carnwennan.

Equip the following gems to party members:

Leo - Ruby XL, Emerald L, or Opal XL.
Cheryl - Ruby XL
Ez - Large Jade

Leo should also equip his Tyrfing weapon, upgraded all the way to Ragnarok, which can be done by finding the Deus Augite in God's realm.

First phase

Jas in FANTASIAN Neo Dimension will exclusively summon elemental orbs in this phase. If they aren't destroyed immediately, they will attack the party on the next turn. The number of orbs will slowly increase throughout the fight, so try to save your Tension Skill, which can be used to deal with this.

Use Attack and Defense Downs on the boss constantly. Prioritize Attack Down. After Jas' HP lowers below a certain point, he will cast an Attack, Defense, and Speed up on himself. Deal with this through Leo, or use Valrika's Dispel to counter it entirely.

Cheryl will be the damage dealer in this phase. Cast Concentrate and Double Charge first and then use Blizzard Strike on the boss, ideally when Helm Bash has weakened his defenses. After the fight is over, you'll immediately be carried over to the next phase, so be cautious with your health at the end of the fight.

Second phase

Jas will now start directly attacking the party in this phase, pulling three attacks in one turn. However, he will follow a pattern here. He will use two elemental attacks that are random hits; however, they won't attack the same member twice. He will follow this up with Godly Pulse, which debuffs one party member while buffing himself up.

Every few turns, Jas in FANTASIAN Neo Dimension will summon two orbs on both sides. During this phase, Jas will be immune to damage here, so focus on attacking the orbs only. Once they're destroyed, Jas will lose a turn, use this to get a few attacks and debuffs on him. Don't use wide-range attacks like Knight Impact or Arrow Rain here, considering if Jas enters their range, it will negate the entire damage of the attack.

If either orb is still up, Jas in FANTASIAN Neo Dimension will unleash Magna Ray on the team, which will hit a massive chunk of damage to the party. He can possibly destroy the entire party with two orbs existing. After Magna Ray, Jas will cast Godly Heal, restoring 10,000 HP.

The final move in Jas' arsenal will be Deluge of Blades. This attack is one you've faced earlier, considering it was also a move Vam used in his fight. The attack will weaken with each sword destroyed and will be completely canceled if all are destroyed. Keep following the strategy and he will fall.

Jas The Absolute

Firstly, Jas will be done with elemental attacks here, so remove the Blue Quartz and replace it with Rubies, Emeralds, and Opals. Other than the previous abilities, here are the ones you should have on the team.

Name	Attacks
Kina	Barrier All, All Tension skills, Resurrection, Guard
Zinikr	Charge, Concentrate, Support Charge, Radiance Strike
Tan	Energize, Rudy Strike, Mystery Potion, Desperation
Valrika	Counter (Crush), Dispel (Piercing)
Leo	Guard

You might have to use Tension skills from other characters, so fully upgrading them can be useful. Also, invest in stat boosts on the Growth Map to give your team an advantage.

Final fight

Like the previous phase, Jas in FANTASIAN Neo Dimension can act twice in a single turn. Start this fight with Zinikr in the party, which can use Ez's buffs for future use. Keep using Attack and Defense Down on the boss. Cheryl will follow the strategy previously mentioned.

Another new attack in Jas' arsenal is Big Bang. Jas will move to the side of the arena and start charging an attack. This attack can't be canceled, so debuff him as much as possible, get some damage in, and then swap in Leo, Zinikr, and Kina.

The next attacks on the block are Black Hole and White Hole. The former will suck party members until one remains, while the latter summons enemies from it. Destroy them both to negate their effects. They're weak to Holy and Darkness respectively. As such, use Zinikr and Cheryl to destroy them. Once he falls below a certain HP, he will summon both Black and White Holes in a single turn.

The next move on the block is Supernova. Jas will use Super Buff and summon a ton of elemental orbs in the arena. It is pretty difficult to destroy all of them. So it's better to destroy as much as you can and then switch to your defensive team. Irrespective of whether all elemental orbs are destroyed, Jas in FANTASIAN Neo Dimension will use Supernova. As such, use Dispel to remove the Super Buff effect along with Leo's Blade Break.

Once Jas in FANTASIAN Neo Dimension hits the 50,000-60,000 HP mark, he will use the Beginning of the End. Once this move is activated, you have five turns to fully finish Jas off, or it will be an instant game-over. However, he will only use a single elemental attack each turn now.

The Quick All and Defense Down will be an essential help here. Other than that, the Cheryl strategy will still be your primary move to deal damage to her. You'll need to hit Jas in FANTASIAN Neo Dimension with your strongest attacks here. One important thing to note here is to make sure Cheryl doesn't die, considering it will take too long to get her going again. Try using her Tension skill to maximize her damage.

Follow through and you'll ultimately defeat Jas in FANTASIAN Neo Dimension.

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Edited by Angad Sharma