Open Arena Setup Logic using no1 player (S5 P1) HamsterHunter as an example

Open Arena Season S5 — A High-Rank Strategic Breakdown about how to think and craft the best builds in Open Arena

Introduction: Why Open Arena Is About Constraints, Not Power

Open Arena strips Infinity Kingdom down to its fundamentals. There are no account advantages, no relic gaps, and no dragon progression differences. Everyone draws from the same immortal and skill pool. What separates the top of the ladder from the middle is the ability to read bans correctly and construct teams that cooperate across fights, not just win a single matchup.

In Season S5, Dante Sparda, aka HamsterHunter has done exactly that. Rather than forcing a favorite element or chasing a single overpowering composition, he built a three-march structure that responds directly to the season’s bans. Each team has a clear role, and each prepares the battlefield for the next.

This article explains the rationale behind those decisions, focusing on why the setup works in Season S5 specifically.

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The Season S5 Ban Environment and Its Strategic Impact

Season S5 is defined by bans that remove core carries, with minimal bans on lower tier immortals.

Fire is effectively removed from high-rank contention because Empress Wu and Trajan are both banned. Without these two, Fire loses its mage carry, ramp-up ability and long-term damage output tools. Without these Immortals fire cannot perform at a high level.

Water suffers a similar fate with Merlin and Artemisia banned. These two define Water’s consistency and control. Without them, Water becomes unreliable and loses its identity as a tempo burst setup.

Wind is weakened by the bans on Qin Emperor and Matilda. With only Moctezuma left as a functional support, Wind lacks redundancy. At high ranks, where fights are often decided by narrow margins and attrition, that lack of depth is unacceptable.

Earth and Lightning, while both impacted, remain viable. Earth loses Yi Sun-Shin and Zenobia, which significantly reduces its sustain ceiling, but it retains strong frontline pressure and attrition tools. Lightning loses Hammurabi and Peter, removing double-damage backline setups and debuff stacking, but it still offers elite protection and carry enablement.

Chaos remains unchanged, with Poseidon continuing his long-standing dominance in Open Arena.

Holy Versus Shadow: Why Holy Gains the Edge This Season

The choice between Holy and Shadow is also always down to the season bans. In this example (Season 5 P1), shadow loses Himiko and Tomyris, which primarily affects disruption and confusion-based control. Holy, on the other hand, loses Theodora and Caesar, and the absence of Theodora is especially impactful.

Without Theodora, damage-over-time strategies lose their most reliable counter. This single ban opens the door for DoT-centric builds to scale freely in long fights. Holy also benefits from elemental advantage against Shadow, further reinforcing its position in sustained engagements. Holy’s remaining toolkit—particularly Gilgamesh’s DoT pressure and Manco Cápac’s control immunity—aligns perfectly with a long-fight, inevitability-based strategy.

Element Verdict: Why Lightning, Earth, and Holy Form the Core

After accounting for bans and high-rank requirements, the optimal Season S5 structure becomes clear. Lightning provides protection and single-carry enablement. Earth supplies attrition, frontloaded pressure. Holy closes fights through layered sustain, multiple carries, and unavoidable scaling with access to DoT effects in a Theodora-less season.

Just as importantly, these elements share tanks and supports efficiently without competing for the same critical pieces. This allows all three marches to remain fully functional rather than cannibalizing each other.

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Primary March — “Protect the President” (Lightning + Chaos)

The first march is built entirely around keeping Poseidon alive long enough to erase the enemy backline. Poseidon and El Cid form the non-negotiable core. Everything else exists to increase Poseidon’s uptime, accuracy, and survivability.

Yi Seong-Gye and Constance are chosen not for raw damage, but for subtle scaling advantages. Constance increases Poseidon’s crit rate, significantly improving his burst potential. Yi Seong-Gye steals stats from the enemy carry, which has more impact than it initially appears – especially in longer fights.

El Cid runs Purification or Vitality Touch alongside Guard and Physical Shield. Guard synergizes directly with El Cid’s ultimate, reducing physical damage taken by both himself and Poseidon. Physical Shield mitigates not only direct hits but also damage transferred through Guard. The healing option becomes decisive in late-game scenarios where only two immortals remain on each side.

Poseidon runs Blade Dodge, Unyielding, and Corrosive Power. With Tomyris unavailable, Fighting Master is unnecessary. Blade Dodge allows Poseidon to absorb early damage and scale defensively into the late fight. Corrosive Power compensates for Poseidon’s low energy regeneration while accelerating Blade Dodge stacking after the 20-second mark. Unyielding ties the build together by restoring health under pressure while increasing crit rate, enabling decisive backrow eliminations.

Yi Seong-Gye runs Energy Suppression which slows enemy ultimates, Misleading reduces enemy Poseidon accuracy in mirror matchups, and Defense Blessing helps Poseidon scale safely.

Constance has Rage Blessing which provides energy acceleration, while Coercion ensures Poseidon’s damage connects consistently.

The Lightning Dragon with Thunder Shriek specialization supports this plan by reducing incoming physical damage, increasing Poseidon’s ultimate damage taken modifier, and providing a crucial troop HP boost.

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Secondary March — “Bleed Them Dry” (Earth Attrition Engine)

The second march is not designed to win cleanly. Its purpose is attrition. By the time this fight ends, the enemy should be stripped of sustain, pressured across the backline, and left at critically low health. In essence, while this setup is able to outright win fights, its main job is making sure that our main (third) goes into its first battle ahead in troop count.

For example above, the second team dies to enemy cao cao shadow, but regardless deals meaningful damage, leading to a wipeout.

The core consists of Charles the Great, Alexander the Great, and Genghis Khan, with Arash as the preferred flex.

Charles functions as the debuff and sustain anchor. Weakening Curse disrupts enemy Alexander or Hannibal tempo, Toxin Barrier mitigates physical damage over long engagements, and Spring of Life scales exceptionally well with Berserk effects across the team.

Alexander acts as the primary pressure engine. Assembly Charge provides unmatched insane damage output and damage consistency, Wind Rage and Berserker enhances attack speed which multiplies normal attacks for more damage and ToK-triggers on Assembly. The result is constant pressure rather than burst reliance.

Genghis Khan supplies backrow nuke and anti-heal through wounds. Sniper directly targets fragile backliners, Berserk Aura gains amplified value through Spring of Life (on Charles), and Anger ensures Khan remains a persistent execution threat.

Arash completes the execution package. Unforeseen Attack and his backrow-targeting ultimate stack lethality with Sniper (Khan), while Lightning Strike spreads damage across the team. Shelter adds permanent damage reduction through Spring of Life and additional native sustain, synergizing with Berserk and Spring of Life.

This composition requires the Shadow Dragon with Abyss specialization. The 50% chance to strike a backrow immortal frequently converts pressure into outright kills, reinforcing the march’s purpose as a health-pool eroder.

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Tertiary March — “Drown Them in Holy Fire” (Holy Closure Team)

The final march is built for inevitability. Rather than relying on a single win condition, it layers multiple carries, sustain sources, and control tools so that something will always end up scaling and ramping up to a win.

The lineup consists of Gilgamesh, Manco Cápac, Khubilai Khan, and Cao Cao.

Gilgamesh serves as the primary damage-over-time carry. Blade Vortex and Executioner form a proven DoT core that scales relentlessly in synergy with each other and with his ultimate, while Growl amplifies physical damage by 50%. The initial energy penalty is irrelevant in the long fights this team is built to win.

Manco Cápac is another scaling anchors of this team’s. Oaken Guard reduces incoming physical damage, allowing the team to survive early pressure. Demonic Contract converts Manco’s early inactivity into long-term scaling power, and Energy Shield provides team-wide protection. Most importantly, Manco grants control immunity to Holy immortals, a defining pillar of the composition.

Khubilai Khan functions as a sustained secondary carry. Fighting Master ensures full-fight control protection beyond Manco’s initial window. Time to Shine increases crit rate and physical damage, scaling cleanly with Khubilai’s ultimate. Malice reduces enemy critical rate, blunting burst threats and stabilizing the fight.

Cao Cao provides control and utility. No Escape is mandatory, as the silence frequently decides engagements outright. Soul Synergy adds sustain even though Manco’s ultimate is limited, and Assist increases Gilgamesh’s survivability and damage consistency.

The Holy Dragon with Holy specialization reinforces sustain, reduces damage received, and amplifies holy damage output, perfectly complementing the team’s long-fight identity.

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Conclusion: Why This System Wins in Season S5

HamsterHunter’s Season S5 setup succeeds because it respects the ban environment instead of fighting it. The first march secures clean wins through protection and precision. The second march ensures no enemy leaves the field intact. The third march finishes what remains through layered damage, sustain, and control immunity.

There are no fragile tempo spikes and no single points of failure. Each fight is engineered to last just long enough for scaling to become decisive.

I hope that this has given you new insights into how to think about build compositions in Open Arena where we are limited by bans while needing to setup three competitive setups at once. I know I learnt a lot from writing this one out and talking to Hamster/Dante Sparda, I hope you did too!

I do not have a lot of Open Arena guides at the time of writing, given how the ban rotations change it is difficult to make clean build guides, if you liked this kind of “how to think about setups for open arena” guide, please let me know via my official discord.

Special thanks to Hamster Hunter, aka Dante Sparda for the huge contributions and the time to write and chat with me about Open Arena.

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Published: 20-01-2026