
The world of Honkai: Star Rail continues to expand with powerful new characters and weapons. One of the most anticipated Light Cones is Why Does the Ocean Sing, expected to be the signature gear for Hysilens. As a Nihility Path Light Cone, it's designed to maximize debuff and DoT (Damage over Time) strategies.
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In this article, we break down the unique effects of Why Does the Ocean Sing and explore which characters—both current and upcoming—can take full advantage of its powerful passive abilities.
Note: Some character recommendations are based on early leaks and community theorycrafting. Interpretations may vary depending on team comps and build strategies.
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What Does Why Does the Ocean Sing Do?
V3 Lightcone Changes via HomDGCat
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At Superimposition 1, this 5-star Light Cone provides powerful support to debuff-focused Nihility characters:
Effect Summary:
- Increases Effect Hit Rate (EHR) by 40%.
- Enemies afflicted with a wearer-applied debuff have an 80% base chance of entering the "Enthrallment" state for 3 turns.
- While under Enthrallment:
- Each new debuff increases DoT taken by 5%, stacking up to 6 times.
- When an ally attacks an Enthralled enemy, the attacker gains +10% SPD for 3 turns.
This makes Why Does the Ocean Sing a top-tier option for units who stack debuffs or trigger frequent DoTs.
Best Characters for Why Does the Ocean Sing in Honkai Star Rail
1. Hysilens – The Perfect Match

As the rumored signature Light Cone for Hysilens, it’s no surprise that she’s the best fit for this gear. Her kit revolves entirely around applying DoT effects through her Basic Attack, Skill, and Ultimate. This synergy allows her to consistently trigger Enthrallment, stacking multiple DoTs for massive damage amplification.
Additionally, her frequent debuff applications ensure that enemies remain under constant pressure, making every piece of Why Does the Ocean Sing’s passive trigger as often as possible.
Why she’s ideal:
- Applies DoTs with nearly every action.
- Easily hits max stacks of Enthrallment.
- Capitalizes on the EHR boost for consistent debuffing.
2. Jiaoqiu – Boosted Support and Damage

Jiaoqiu, a limited-time 5-star Nihility unit, works incredibly well with this Light Cone—especially in Acheron-focused teams or any comp that benefits from persistent DoTs. While he’s primarily considered a support unit, Why Does the Ocean Sing boosts his EHR, allowing him to apply debuffs more reliably and generate team-wide value.
The added Enthrallment effects further boost team DPS, especially when multiple enemies are afflicted with status effects.
Why he’s ideal:
- High uptime on debuffs and DoTs.
- EHR boost enhances his support utility.
- Scales well with the Light Cone’s SPD and DoT bonuses.
3. Black Swan – Arcana-Focused Synergy

Black Swan, another top-tier 5-star Nihility unit, relies heavily on building Arcana stacks, which depend on consistent debuff application. To guarantee Arcana triggers on enemies with 30% Effect RES, she must reach around 120% EHR—something Why Does the Ocean Sing helps her accomplish effortlessly with its +40% EHR bonus.
Additionally, the SPD boost from Enthrallment can help her rotate faster and build Arcana stacks even quicker, amplifying her damage over time output.
Why she’s ideal:
- Needs high EHR to apply Arcana stacks.
- Benefits from extra SPD for faster turns.
- Frequent debuffs = consistent Enthrallment triggers.
What About 4-Star Characters?
While this Light Cone is 5-star and best used on high-tier Nihility units, some 4-star characters can still benefit—especially those whose damage scales with EHR or DoTs. If you’re experimenting or lack premium characters, this Light Cone can work well as long as the unit:
- Follows the Path of Nihility.
- Applies frequent debuffs or DoTs.
- Needs Effect Hit Rate to be effective.
Examples may include Luka, Guinaifen, or Pela, though results will vary based on team synergy and build investment.
Why Does the Ocean Sing is shaping up to be one of the most powerful Nihility Light Cones in Honkai Star Rail, particularly for debuff-heavy, DoT-based characters. Whether you're planning to main Hysilens, stack Arcana with Black Swan, or enhance your Jiaoqiu setup, this Light Cone offers incredible value.
Be sure to optimize your gear and relics for Effect Hit Rate and speed to fully unlock its potential. As new characters are introduced, we may see even more viable users for this versatile weapon.
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