The Aetherium Wars event in Honkai Star Rail, introduced in late 2023, continues to be a beloved feature. This special mode allows players to command Aether Spirits—creatures based on the game's familiar monsters—in strategic, turn-based battles reminiscent of classic creature-collection games. While the event remains permanently accessible, its most valuable time-limited rewards, such as Stellar Jades, make conquering its championship a high priority for players even in 2026. The path to victory requires collecting Mastery Marks from various contenders before advancing to the final tournament, a challenge that demands careful preparation and tactical prowess. This guide provides comprehensive strategies to overcome every opponent in the championship's climactic showdown.

Before entering the tournament arena, thorough preparation is essential. Players should aim to have collected every available Aether Spirit from the preceding zones and equipped them with Enhancement Chips. Leveling all Spirits to at least Level 6 is strongly recommended, as a diverse and powerful roster provides the flexibility needed to counter different enemy team compositions. The tournament is a gauntlet, testing a player's strategic adaptability against a series of unique challengers.

🥊 The First Challenge: Luka

Luka serves as the initial gatekeeper of the tournament. His team composition is a mix of three Aberrant-type Aether Spirits and one formidable Mechanical Overlord unit, the Automaton Direwolf. To exploit type advantages, players should field a team strong in Mechanical Spirits. A balanced team with good defensive capabilities can effectively counter his aggressive lineup.

💡 Recommended Team Composition:

• Silvermane Lieutenant (Humanoid)

• Silvermane Cannoneer (Mechanical)

• Ingenium Dracolion (Mechanical)

• Aurumaton Gatekeeper (Mechanical)

🎯 Battle Strategy:

The primary threat is Luka's Automaton Direwolf due to its high damage output; it must be eliminated quickly. Use the Silvermane Cannoneer's Support Skill on the Silvermane Lieutenant to trigger follow-up attacks whenever the Lieutenant counterattacks. This synergy creates a powerful defensive-offensive loop. Manage Ultimate energy carefully: the Cannoneer's Ultimate, which grants energy, should be used to keep either the Lieutenant's shield or the Dracolion's healing readily available. While the two Humanoid Spirits are weak to Aberrant attacks, the Lieutenant's shields and the Dracolion's sustain ensure the team's survival.

🔥 The Second Duel: Guinaifen

Following Luka, players face Guinaifen, who fields a similar but distinct team. Her lineup includes three Aberrant Spirits, but her Overlord unit is the Aberrant-type Blaze Out of Space. This shifts the tactical advantage towards Mechanical Aether Spirits.

💡 Recommended Team Composition:

• Warp Trotter (Aberrant)

• Ingenium Dracolion (Mechanical)

• Aurumaton Gatekeeper (Mechanical)

• Silvermane Cannoneer (Mechanical)

🎯 Battle Strategy:

This team boasts exceptional survivability thanks to the Warp Trotter and Ingenium Dracolion. Its true power, however, lies in numbers. The Aurumaton Gatekeeper's Ultimate summons two additional Dragonfish Spirits, effectively turning the battle into a 6v4. Apply the Silvermane Cannoneer's Support Skill to the Gatekeeper; this will trigger follow-up attacks not only from the Gatekeeper itself but also from its summoned Dragonfish, potentially leading to three consecutive follow-up strikes. Focus all this firepower on eliminating the Blaze Out of Space first before mopping up the rest of Guinaifen's team.

👾 The Hacker's Test: Silver Wolf

The third contender, Silver Wolf, presents a highly offensive team. She commands three damage-focused Aberrant Spirits supported by a Humanoid Vagrant that boosts their attack and grants extra turns. Victory here requires a team that can withstand a barrage of attacks while dishing out significant Area-of-Effect (AOE) damage.

💡 Recommended Team Composition:

• Warp Trotter (Aberrant)

• Ingenium Dracolion (Mechanical)

• Automaton Spider (Mechanical)

• Frigid Prowler (Mechanical)

🎯 Battle Strategy:

The Frigid Prowler acts as the team's hypercarry. Position it next to the Warp Trotter, as it can consume the Trotter's HP to empower itself. Healing is well-covered by the Trotter and Dracolion. In the first cycle, use the Automaton Spider's Skill to enhance itself, then use a Basic Attack to charge its Ultimate. Target the Imaginary Weaver with the Spider's Ultimate; the blast damage should defeat the Weaver and severely wound the Voidranger Reaver. A follow-up AOE attack from the Frigid Prowler can then finish the Reaver. From this point, maintain the Trotter's HP, keep buffing the Frigid Prowler, and Silver Wolf's remaining forces will fall quickly.

🎭 The Host's Gambit: Giovanni

The enigmatic event host, Giovanni, steps into the arena with a balanced and dangerous team. It consists of two Mechanical Spirits, one Aberrant, and one Humanoid, dealing significant damage that demands a sturdy defensive response.

💡 Recommended Team Composition:

• Vagrant (Humanoid)

• Warp Trotter (Aberrant)

• Silvermane Lieutenant (Humanoid)

• Silvermane Cannoneer (Mechanical)

🎯 Battle Strategy:

The Vagrant is the linchpin of this strategy, using its ability to manipulate turn order. This ensures the Silvermane Lieutenant can maintain his shield and allows the Warp Trotter to provide emergency heals. As usual, link the Silvermane Cannoneer's Support Skill to the Lieutenant. The primary target must be Giovanni's Automaton Spider, as its self-destruct ability deals colossal damage. After the Spider, focus on the Overlord Frigid Prowler. The rest of Giovanni's team can be handled indirectly through counter-attacks and the self-damage caused by the Frigid Prowler's life-steal mechanic.

💰 The Penultimate Boss: Topaz

Before the final legendary opponent, players must defeat Topaz. Her team is built for attrition, featuring three Humanoid Spirits and one Aberrant Warp Trotter, with abilities centered on shielding and summoning reinforcements. A swift, decisive strike is necessary to prevent being overwhelmed.

💡 Recommended Team Composition:

• Warp Trotter (Aberrant)

• Silvermane Cannoneer (Mechanical)

• Voidranger Trampler (Aberrant)

• Imaginary Weaver (Aberrant)

🎯 Battle Strategy:

Topaz's Senior Staff – Team Leader is the core threat, dealing high damage and summoning more Spirits. Prolonging the fight is detrimental. At the start, use the Silvermane Cannoneer's Support Skill on the Imaginary Weaver, which gets two initial turns. Prioritize all attacks on the Team Leader. The Voidranger Trampler's ability to gain extra turns upon defeating an enemy is crucial. Use the Cannoneer's Ultimate to charge the Trampler's Ultimate. Once the Trampler defeats the Team Leader, it can chain its extra turns to wipe out the remaining enemies like dominoes.

👑 The Final Confrontation: The Elite Player (Hook)

The ultimate challenge is a two-wave battle against the Elite Player, revealed to be Hook, who commands a small army. Each wave contains two Mechanical Overlords and two Aberrant Spirits, demanding a team built for supreme survivability that can turn the enemy's strength against them.

💡 Recommended Team Composition:

• Warp Trotter (Aberrant)

• Silvermane Cannoneer (Mechanical)

• Silvermane Lieutenant (Humanoid)

• Ingenium Dracolion (Mechanical)

🎯 Wave 1 Strategy:

The Silvermane Lieutenant is the main damage dealer here. Link the Cannoneer's Support Skill to him to maximize counterattack follow-ups. Use the Cannoneer's Ultimate to top up the Ultimate gauges of your sustain units. First, target the Automaton Grizzly to prevent it from summoning Spider minions. Next, eliminate the Automaton Direwolf. The Imaginary Weavers can be left to die from counterattacks due to their low health.

🎯 Wave 2 Strategy:

In the second wave, focus fire on the Searing Prowler first. Interestingly, leaving the Frigid Prowler alive works to your advantage initially, as its life-steal ability damages its own allies. Once the Searing Prowler is down, concentrate all efforts on the Frigid Prowler. Throughout this intense wave, maintaining shields from the Lieutenant and heals from the Dracolion and Trotter is paramount to survival. With careful management, Hook's formidable army can be dismantled, claiming the championship title for the player.

Opponent	Key Threat	Recommended Spirit Type	Primary Target
Luka	Automaton Direwolf	Mechanical	Automaton Direwolf
Guinaifen	Blaze Out of Space	Mechanical	Blaze Out of Space
Silver Wolf	Voidranger Trampler	Survivability & AOE	Imaginary Weaver
Giovanni	Automaton Spider	Defensive	Automaton Spider
Topaz	Senior Staff – Team Leader	Burst Damage	Senior Staff – Team Leader
Hook	Wave 1: Automaton Grizzly	Maximum Sustain	Wave 1: Grizzly, Wave 2: Searing Prowler

Success in the Aetherium Wars championship hinges on understanding type matchups, mastering Spirit synergies like the Cannoneer-Lieutenant combo, and adapting strategy to each opponent's unique gimmick. By following these guidelines, players can efficiently secure all limited-time rewards and prove their mastery over the Aether Spirits. 🏆