With the latest Honkai: Star Rail version update, the highly anticipated new character Hyacine officially joins the roster. Possessing both healing and damage-boosting capabilities, she redefines what a support can do. Her unique summoning mechanic and powerful team synergy have already made her a key part of many Trailblazers’ team compositions. This guide will walk you through Hyacine’s positioning, skills, combat mechanics, Eidolon bonuses, team synergies, and pull recommendations—everything you need to master this HP-based miracle support.
▍Core Positioning
Healing + Buffing, Hyacine is No Ordinary Healer!
Hyacine’s core mechanic focuses on a dual path of healing and buffing. She can restore a large portion of the team's HP while simultaneously triggering bonus damage through her skills, forming a feedback loop where healing also fuels offense. Her summon “Little Ika” adds even more value by attacking whenever healing occurs, maintaining constant support and damage.
She works well as both a sub-DPS and main healer, especially in high-frequency output teams, providing both survival and burst momentum.
▍Attribute Mechanism Breakdown
Her Power Lies in Her HP!
Hyacine boasts extremely high HP scaling—her skill damage and healing all depend on her max HP. At level 80, her base HP reaches 10,870, one of the best growth stats among current characters.
Her SPD is fixed at 110, so players need external speed boosts (e.g., boots or SPD substats) to optimize her turn priority.
As for crit mechanics, she starts with 5% crit rate and 50% crit DMG. While she isn’t designed as a DPS, this stat setup gives her real damage potential when used in a sub-DPS role.
▍Skill Analysis
From Healing Chain to Buff Loop, a Perfectly Linked System
Hyacine’s basic attack deals Wind DMG based on 70% of her max HP and applies a DEF reduction effect—useful for early-phase fights.
Her skill summons “Little Ika,” healing all allies for 10% max HP + 205, and heals Little Ika by 12.5% max HP + 256. This not only sustains the team but is the key to activating her deeper mechanics.
Her ultimate, “We Who Fly into the Dusk and Dawn,” resummons Little Ika and applies the “After the Rain” state for three turns. This raises all allies’ max HP by 37.5% + 768, significantly enhancing team survivability and starting the output chain.
▍Little Ika Summoning Mechanic
Hyacine’s Healing-Damage Engine
Little Ika has 50% of Hyacine’s HP and attacks when she heals, dealing AoE Wind DMG equal to 28% of the healing amount. This makes healing a form of damage, multiplying the efficiency of Hyacine’s skills.
Little Ika doesn’t use up turns and is summoned via skill or ultimate. Under “After the Rain,” it also gains energy automatically, keeping Hyacine’s loop flowing smoothly.
▍Combat Rhythm and Recommended Teams
Hyacine’s core rhythm follows three steps:
1. Open with her Ultimate to activate “After the Rain”
2. Use her Skill to summon Little Ika and initiate the healing loop
3. Continue using basic attacks and skills to trigger synergy attacks and restore energy
Recommended teams:
High-frequency burst: Hyacine + Castorice + Tingyun (energy support) + Blade
Fast short-rotation: Hyacine + Acheron + Ruan Mei + Silver Wolf
▍Eidolon Overview
Hyacine’s Eidolons enhance her kit across multiple levels:
· E1: Adds post-action healing during “After the Rain”
· E2: Boosts team speed
· E4: Increases crit DMG
· E6: Greatly improves Little Ika’s healing and team max HP—key to unlocking her sub-DPS potential
▍Pull Advice
Hyacine has incredible versatility and growth potential. She’s one of the few characters who can handle both healing and sub-DPS in nearly any team. For high-output or sustain-heavy teams, she’s practically irreplaceable.
Prioritize pulling from a targeted banner if available. If relying on standard banners, assess your team needs and frequency of skill usage before committing.
▍Conclusion
Whether you’re a new Trailblazer or a seasoned veteran, Hyacine opens up entirely new possibilities in team building. She’s not just a “healer” in the traditional sense—she’s a walking buff engine. Still hesitating? Try her out. One healing chain from Hyacine is all the convincing you’ll need.
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