- Secret Unit: Acquire the secret anime vanguards eren unit (Arin) by farming Crystal Chapel Legend Stages.
- Evolution Path: Evolve Arin into Arin (Rumbling) using 12 Basement Keys, various essences, and 5,000 takedowns.
- Unique Passives: Match highest upgrade levels automatically, buff Giant allies, and deal massive placement damage.
- Rumbling Active: Trigger the ultimate Rumbling ability for 20 million damage by pairing with Giant Queen and Ape Giant.
anime vanguards eren: Obtainment Routes
The latest Attack on Titan update has introduced one of the most powerful secret units in the game. To secure the anime vanguards eren unit (known in-game as Arin), you must challenge the Crystal Chapel Legend Stages [ULBHvNHRD-I, Arin (Rumbling)]. While the drop rates are low, a dedicated pity system ensures that players who put in the effort will eventually unlock this meta-defining character [ULBHvNHRD-I, Arin (Rumbling)].
Video Highlights:
- Act 4 Solo Viability: Defeating Crystal Chapel Act 4 solo is highly difficult due to shielding and health regeneration [ULBHvNHRD-I].
- Team Strategy: Bringing a dedicated team with bleed or rupture units (such as Steel) makes the run significantly easier [ULBHvNHRD-I].
- Basement Key Drops: Completing the stages yields Basement Keys, which are essential for the subsequent evolution [ULBHvNHRD-I].
Crystal Chapel Stage Breakdown
Farming the Crystal Chapel requires a solid understanding of the stage mechanics [ULBHvNHRD-I]. In Act 3, you will face Levi, who spawns with a 30-hit shield [ULBHvNHRD-I]. Multi-hit units are vital here to shred the shield quickly [ULBHvNHRD-I]. Additionally, the cave environment in Act 3 drains your mana, making standard active abilities harder to rely on [ULBHvNHRD-I].
Act 4 increases the difficulty significantly but rewards you with a much higher drop rate and a highly forgiving pity system [ULBHvNHRD-I, Arin (Rumbling)].
| Stage Name | Difficulty | Arin Drop Rate | Pity Threshold | Key Rewards |
|---|---|---|---|---|
| Crystal Chapel Act 3 | Medium | 2% Drop Chance | 75 Runs | Basement Keys, Arin (Base) |
| Crystal Chapel Act 4 | Hard | 15% Drop Chance | 10 Runs | Basement Keys, Arin (Base) |
The bosses in Crystal Chapel Act 3 and Act 4 possess massive health pools and aggressive health regeneration [ULBHvNHRD-I]. Always bring a reliable bleed or rupture unit like Steel to prevent the boss from healing back to full health during the final waves [ULBHvNHRD-I].
Evolution Requirements & Materials
Once you have obtained the base Arin unit, you must gather specific materials and reach a high kill milestone to evolve him into Arin (Rumbling) [ULBHvNHRD-I, Arin (Rumbling)]. This transformation drastically boosts his damage output, changes his model into his iconic giant form, and unlocks his game-breaking active ability [ULBHvNHRD-I, Arin (Rumbling)].
Required Evolution Materials
To complete the evolution, you must farm Crystal Chapel for Basement Keys and gather various essences through crafting, challenges, or the in-game shop [Arin (Rumbling)].
| Material Name | Required Quantity | Primary Source | Item Rarity |
|---|---|---|---|
| Basement Key | 12 | Crystal Chapel Act 3 & 4 | Secret |
| Green Essence | 40 | Challenges, Crafting, Shops | Epic |
| Pink Essence | 20 | Challenges, Crafting, Shops | Legendary |
| Yellow Essence | 30 | Challenges, Crafting, Shops | Legendary |
| Rainbow Essence | 3 | Challenges, Crafting, Shops | Mythic |
| Gold | 30,000 | Story Mode, Infinite Mode | Common |
| Takedowns | 5,000 | Active Gameplay (Equipped) | Milestone |
Step-by-Step Evolution Process
Follow these steps to efficiently transition your base unit into his fully evolved giant form:
Farm the Base Unit
Clear Crystal Chapel Act 4 with a cooperative team to quickly trigger the 10-run pity and secure the base Arin unit [ULBHvNHRD-I, Arin (Rumbling)].
Collect Basement Keys
Continue running Crystal Chapel Acts 3 and 4 [Arin (Rumbling)]. Each successful completion awards between 1 to 5 Basement Keys [Arin (Rumbling)].
Accumulate Takedowns
Equip Arin in your active loadout and farm 5,000 kills [Arin (Rumbling)]. Utilizing low-difficulty story maps or Infinite Mode is the fastest way to hit this milestone [ULBHvNHRD-I].
Assemble Essences & Evolve
Craft or purchase the required Green, Pink, Yellow, and Rainbow Essences [Arin (Rumbling)]. Ensure you have 30,000 Gold ready, then navigate to the Evolve menu to unlock Arin (Rumbling) [Arin (Rumbling)].
To speed up the 5,000 takedown requirement, run easy story stages on Nightmare difficulty [ULBHvNHRD-I]. Place Arin at the very front of the track and upgrade him immediately so he secures all the early-wave kills before other units can attack [ULBHvNHRD-I].
Stats, Upgrades, & Passives
Arin (Rumbling) is a powerhouse on the battlefield, functioning as a Giant category unit [Arin (Rumbling)]. He cannot be sold once placed, which requires careful planning of your starting economy [ULBHvNHRD-I, Arin (Rumbling)]. However, his unique passives more than make up for this restriction, allowing him to dominate choke points and buff neighboring units [ULBHvNHRD-I, Arin (Rumbling)].
Upgrade Progression & Costs
Arin (Rumbling) features 12 upgrade levels [Arin (Rumbling)]. The table below outlines key milestones in his upgrade path, demonstrating his scaling damage and range [Arin (Rumbling)].
| Upgrade Level | Gold Cost | Base Damage | Attack Range | SPA | DPS |
|---|---|---|---|---|---|
| Base (Lvl 1) | 3,200 | 1,800 | 20 | 7.0s | 257 |
| Upgrade 3 | 7,200 | 2,600 | 26 | 6.5s | 400 |
| Upgrade 7 | 14,000 | 4,200 | 34 | 6.0s | 700 |
| Upgrade 11 | 25,000 | 6,000 | 42 | 8.0s | 750 |
| Max (Lvl 12) | 50,000 | 7,000 | 44 | 8.0s | 875 |
Unique Passive Abilities
Arin (Rumbling) possesses three unique passives that define his playstyle and make him a top-tier choice for late-game content [Arin (Rumbling)].
Message to the Future
- Unsellable status prevents accidental removal [ULBHvNHRD-I, Arin (Rumbling)].
- New placements automatically match the upgrade level of the highest existing Arin on the field [ULBHvNHRD-I, Arin (Rumbling)].
- Saves massive amounts of manual upgrade gold and time [ULBHvNHRD-I].
Bringer of Peace
- Buffs all Giant category allies in range by +30% damage and +20% range for 120 seconds [ULBHvNHRD-I, Arin (Rumbling)].
- After 120 seconds, stops buffing allies and buffs self by +100% damage and +20% range [ULBHvNHRD-I, Arin (Rumbling)].
- Shifts Arin from a support role into a selfish hyper-carry [ULBHvNHRD-I].
Harbinger of Doom
- Deals 500% of his damage stat in his attack area immediately upon placement [ULBHvNHRD-I, Arin (Rumbling)].
- Creates a massive explosion that clears grouped enemies instantly [ULBHvNHRD-I].
- Works perfectly with his automatic upgrade passive [ULBHvNHRD-I].
Because new placements copy the upgrade level of your highest existing Arin, you can max out one Arin, and then place your second or third Arin during a critical wave [ULBHvNHRD-I, Arin (Rumbling)]. The newly placed unit will instantly trigger a massive 500% damage explosion based on his max-level stats [ULBHvNHRD-I, Arin (Rumbling)].
The Rumbling Active & Team Synergy
The defining feature of Arin (Rumbling) is his active ability: Rumbling [Arin (Rumbling)]. When activated, this ability summons a destructive force that traverses the map, dealing astronomical damage to everything in its path [ULBHvNHRD-I, Arin (Rumbling)]. However, executing the Rumbling requires a highly specific team composition and a massive in-game gold investment [Arin (Rumbling)].
Rumbling Ability Mechanics
The Rumbling acts as a map-wide clearing tool, making it the ultimate panic button during high-tier raids or infinite runs [ULBHvNHRD-I, Arin (Rumbling)].
| Property | Detail | Value | Impact |
|---|---|---|---|
| Base Damage | Flat damage dealt to all crossed enemies | 20,000,000 | Extreme |
| HP Percentage Damage | Scaling damage against high-health targets | 35% Max HP | Boss Killer |
| Cooldown | Local cooldown timer | 600 Seconds | Once per Match |
| Required Unit 1 | Giant Queen (Founder) | Max Upgraded | Essential Partner |
| Required Unit 2 | Zak (Ape Giant) | Max Upgraded | Essential Partner |
Rumbling Activation Checklist:
- Bring Arin (Rumbling), Giant Queen (Founder), and Zak (Ape Giant) in your active loadout
- Place all three units on the battlefield under your control
- Upgrade all three units to their maximum upgrade levels
- Amass a total of 455,400 Gold to cover the collective max upgrade costs
- Trigger the active ability to unleash 20 million damage and reduce placement limits by 1
Activating the Rumbling is a double-edged sword [Arin (Rumbling)]. It permanently removes one placement limit from Arin, Giant Queen, and Zak for the remainder of the match [Arin (Rumbling)]. Use this ability strategically during late-game boss waves to ensure you do not prematurely weaken your defensive line [ULBHvNHRD-I].
Ideal Traits & Build Recommendations
To maximize the potential of your anime vanguards eren unit, you must roll the correct traits [ULBHvNHRD-I, Arin (Rumbling)]. Traits can significantly alter his damage output, attack speed, and utility on the field [ULBHvNHRD-I]. Because Arin is a heavy hitter with slow attack times, choosing traits that enhance his raw damage or provide massive stat multipliers is highly recommended [ULBHvNHRD-I, Arin (Rumbling)].
Best Traits for Arin (Rumbling)
| Trait Name | Damage Modifier | Range Modifier | SPA Modifier | Overall Rating |
|---|---|---|---|---|
| Monarch | +45% Damage | +15% Range | -10% SPA | ★★★★★ |
| Solar | +35% Damage | +10% Range | None | ★★★★☆ |
| Ethereal | +25% Damage | +15% Range | -5% SPA | ★★★★☆ |
| Dead Eye | +15% Damage | +20% Range | None | ★★★☆☆ |
Monarch remains the undisputed best-in-class trait for Arin (Rumbling) [ULBHvNHRD-I, Arin (Rumbling)]. The massive 45% damage boost scales incredibly well with his high base damage, and the slight reduction in SPA is easily offset by his massive AoE coverage and the Bringer of Peace self-buff [ULBHvNHRD-I, Arin (Rumbling)].
Frequently Asked Questions
Below are the answers to some of the most common questions regarding the anime vanguards eren unit and his gameplay mechanics [ULBHvNHRD-I, Arin (Rumbling)].
Q: How do I get the anime vanguards eren unit?
You must complete the Crystal Chapel Legend Stage. Act 3 offers a 2% drop rate with a 75-run pity, while Act 4 offers a 15% drop rate with a 10-run pity.
Q: Can I sell Arin (Rumbling) once he is placed on the field?
No, Arin (Rumbling) has the Message to the Future passive, which makes him completely unsellable. Make sure you place him in optimal spots from the start.
Q: Does the Rumbling ability work if my teammates own the other required units?
No. In order to activate the Rumbling, you must personally own and place all three required units: Arin (Rumbling), Giant Queen (Founder), and Zak (Ape Giant).
Q: What is the total gold cost to trigger the Rumbling?
You will need a total of 455,400 Gold in-game to fully upgrade Arin (Rumbling), Giant Queen (Founder), and Zak (Ape Giant) to their maximum levels.
Arin (Rumbling) is a top-tier secret unit that rewards high-investment setups [ULBHvNHRD-I, Arin (Rumbling)]. While his placement restrictions and high gold costs require careful planning, his raw damage and screen-clearing active ability make him a must-have for any serious player's roster [ULBHvNHRD-I, Arin (Rumbling)].