Blood Strike × Attack on Titan Series 2 Guide: Free Katya Skin and August Rewards

Blood Strike’s second Attack on Titan collaboration series is now active, adding aerial mobility gameplay, Titan-themed objectives and a month of limited-time missions. The official update confirms that the main collaboration period runs from 1 August through 31 August 2026, with several reward tracks opening on different dates.

The biggest free target is the KATYA – Female Titan appearance from Regiment Trial missions. Players can also work toward a Playpal through cumulative check-ins and an M4A1 collaboration appearance through a separate mission event beginning on 7 August. Because the schedules overlap but do not start together, a simple plan is more useful than trying to complete everything at once.

Confirmed event schedule

Blood Strike’s official Series 2 announcement separates the collaboration into gameplay, missions, check-ins and later reward releases. The table below uses only dates and rewards confirmed by the publisher.

Event availability can differ by platform, account state or region, so the in-game event page should be treated as the final source for what is visible on an individual account. If a reward panel is missing, update the game and check official notices before assuming the event has ended.

What changes in Titan Strike

Titan Strike brings a different movement rhythm to War Tide. Players can equip aerial mobility gear, travel quickly across the combat area and launch attacks from elevated paths. The official description also confirms that groups of Pure Titans appear around Titan outposts.

Clearing those outposts grants Titan Power. Once enough power is available, players can transform into the Armored Titan or Beast Titan. This creates a match flow that is not only about collecting standard equipment. Teams must decide when to pursue event objectives, when to rotate and when another squad is likely to contest the same location.

Movement is a resource

Aerial mobility is most valuable when it creates a better position, not when it simply looks fast. Use high routes to gather information, cross exposed spaces or reach teammates. Before committing, identify a safe landing point and keep an alternative route available. Flying directly into an occupied objective can leave a player isolated.

Outposts attract competition

Titan outposts offer progress, so they naturally become contest zones. Approach with cover, check nearby roofs and avoid having the full squad focus on one target. One teammate watching likely entry routes can prevent another team from arriving unnoticed.

Transformations need team timing

A powerful event transformation works best when the squad understands the next goal. Call whether the team is pushing, holding a route or disengaging. If teammates are still healing or far away, spending the advantage immediately may produce less value than waiting for the squad to regroup.

How to unlock the free Katya appearance

Regiment Trial is available from 1 to 31 August, and the official announcement identifies KATYA – Female Titan as a free mission reward. The exact task list and progress values should be checked inside the game because objectives can be presented differently across event stages.

1. Open the collaboration event page and locate Regiment Trial.
2. Review every active mission before starting a match.
3. Group compatible tasks, such as participation, mode or team objectives, into the same session.
4. Return to the event page after matches and claim completed stages.
5. Check for newly opened missions on later days until the Katya reward is secured.

Do not rely on a screenshot from another player as proof that your progress is complete. The event page on your own account is the reliable place to confirm whether a task has registered and whether a reward has been claimed.

The 10-day check-in reward

The collaboration check-in runs from 1 through 20 August. Logging in for 10 cumulative days unlocks Playpal – Female Titan. “Cumulative” means the required days build across the event window; the official notice does not say they must be consecutive.

There is still a deadline. A player who begins too late may not have ten remaining calendar days before 20 August. The safest approach is to open the event panel early, confirm that the day registered and claim any available reward before leaving.

• Check the collaboration page after the daily reset.
• Confirm the counter increased rather than assuming a normal login was recorded.
• Claim completed stages as they become available.
• Take a screenshot of the event page only if you need evidence for support.

M4A1 missions begin on 7 August

A separate giveaway begins on 7 August and remains available through 31 August. The official update says players can complete missions to earn Gold and M4A1 – Battle of Faith. It also states that help from friends can speed up event progress.

This later starting date matters. Players should not assume the M4A1 mission is missing during the first six days of August. Use that opening period to progress Regiment Trial and check-ins, then add the M4A1 tasks when the second event becomes active.

For efficient progress, coordinate with regular teammates before queueing. Agree on the event task being targeted, stay together when assistance is required and verify the event counter after each session. If progress does not update, avoid repeating the same action many times until the task wording and mode requirements have been checked.

A practical August reward plan

The collaboration lasts a month, so there is no need to turn every session into a long grind. A steady routine can cover the most important free objectives while keeping normal matches enjoyable.

1–6 August

• Start Regiment Trial missions.
• Build progress toward the 10-day check-in target.
• Learn aerial movement in lower-pressure situations before using it in important fights.

7–20 August

• Add the M4A1 mission track to the routine.
• Continue check-ins until the Playpal reward is claimed.
• Use teammate-help options only as described in the event panel.

21–31 August

• Finish any remaining Katya and M4A1 mission stages.
• Claim completed rewards before the main event closes.
• Review the inventory so claimed items are not mistaken for missing rewards.

Lucian and Katya adjustments in the same update

The Series 2 announcement also includes Striker changes. Lucian’s Feigned Slumber received several improvements: 50% damage reduction during teleport, a longer forced self-revival option within the totem’s range, an active Shadow Teleport while alive and an increase to totem health from 50 to 90. The casting wind-up for Echolocation was reduced.

Katya’s Phoenix Sky Dance received improved wall-climbing trigger detection and smoother transitions between movements. That adjustment is especially relevant during an event built around vertical travel, because reliable movement can determine whether a player reaches cover or completes a rotation cleanly.

Players should test changed abilities in a controlled match before relying on old timing. A familiar Striker can feel different after animation, detection or survivability adjustments, even when the basic role remains the same.

Optional cosmetics and smart spending

The update also lists a collaboration Strike Pass and several limited cosmetic reward pools. Those optional items are separate from the confirmed free mission and check-in rewards covered above. Randomized cosmetic systems are not required to play Titan Strike or complete the free event tracks.

Check the displayed rules, probabilities and total cost before considering any optional purchase. Younger players should obtain permission from a parent or guardian and should never chase a cosmetic after reaching a spending limit. Free missions provide a clear way to participate without depending on paid draws.

Final checklist before the event ends

• Complete Regiment Trial by 31 August for the confirmed Katya reward.
• Record 10 cumulative check-in days before the 20 August window closes.
• Begin the M4A1 mission track when it opens on 7 August.
• Claim completed rewards rather than leaving them in the event panel.
• Use only official Blood Strike notices for dates and reward names.

The strongest part of Series 2 is the combination of a new movement-focused mode and multiple free progression paths. By tracking the three main deadlines separately, players can enjoy Titan Strike while steadily working toward the available collaboration rewards.

If progress or a reward appears missing

First, reopen the event panel and read the full mission condition, including the required mode and start date. Restart the game after confirming that the latest update is installed, then check the inventory and in-game mailbox. If the issue remains, record the player ID, event name, task description and approximate completion time before contacting official support. Share screenshots through the publisher’s approved support channel, but hide payment details, passwords, one-time codes and other private information. Clear evidence helps support identify the event stage without exposing account security data.

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