Theorylytics

Billy - Starlight vs Yidhari

Billy - Starlight vs Yidhari — two Rupture agents competing for the same roster slot.

TL;DR — Quick Pick

Pick Billy - Starlight if…

  • You need a Physical Rupture agent and Billy - Starlight's kit matches your account gap.
  • You prefer Main DPS gameplay over Yidhari's DPS identity.
  • Billy - Starlight offers high-octane physical DPS with unique self-sustaining health mechanics and powerful EX Special Attack synergy.

Pick Yidhari if…

  • You need a Ice Rupture agent and Yidhari's kit matches your account gap.
  • You prefer DPS gameplay over Billy - Starlight's Main DPS identity.
  • Yidhari is a high-risk, high-reward Ice DPS who excels at managing her own HP to maximize damage output.
Verdict

Billy - Starlight and Yidhari are both Rupture investments that answer different account needs. Billy - Starlight (Physical, Main DPS) shines when Billy - Starlight offers high-octane physical DPS with unique self-sustaining health mechanics and powerful EX Special Attack synergy. Yidhari (Ice, DPS) is the better commit when Yidhari is a high-risk, high-reward Ice DPS who excels at managing her own HP to maximize damage output. Compare signature builds, team requirements, and your existing supports before pulling either.

At a Glance

Billy - Starlight
Stat
Yidhari
Physical
Attribute
Ice
Rupture
Specialty
Rupture
S-Rank
Rank
S-Rank
Main DPS
Primary role
DPS
Sheer Force / Rupture
Damage type
Sheer Force / Rupture
CRIT Rate
Scaling focus
CRIT Rate
Physical + RuptureWinner
Playstyle clarity
Ice DPS + HP Manipulator
Strong
Self-sustain
Strong
ModerateWinner
Team flexibility
Focused
Dialyn / Lucia / Ju Fufu
Best support shell
Lycaon / Lucia / Dialyn
Cauldron of Clarity — A-rank · AccessibleWinner
F2P W-Engine path
Radiowave Journey — A-rank · Accessible
ExcellentWinner
M0 viability
Good

Strengths & Weaknesses

Billy - Starlight

Strengths
  • Extensive invulnerability windows during signature moves [L83, L88, L103]
  • Integrated HP recovery mechanics within standard attack rotation [L78, L103]
  • High base Physical DMG output with RES shred capabilities [L17, L78]
Weaknesses
  • Requires careful HP management to maintain peak performance
  • High mechanical skill ceiling for optimal drift and counter-timing
  • Significant dependency on EX Special Attack usage [L22, L142]

Yidhari

Strengths
  • Powerful counter-attack potential via tentacle blocks
  • Significant Ice RES shredding capabilities
  • High invulnerability uptime during EX skills
Weaknesses
  • HP management requires constant attention to avoid accidental knockouts
  • High risk of death due to self-damaging mechanics
  • Damage potential heavily tied to maintaining specific HP thresholds

Shared Team Members

With Billy - Starlight

Buffs and enables Billy - Starlight with low field time and strong team utility.

With Yidhari

Buffs and enables Yidhari with low field time and strong team utility.

With Billy - Starlight

Opens stun windows so Billy - Starlight can dump burst damage safely.

With Yidhari

Opens stun windows so Yidhari can dump burst damage safely.

With Billy - Starlight

Opens stun windows so Billy - Starlight can dump burst damage safely.

With Yidhari

Opens stun windows so Yidhari can dump burst damage safely.

Best Builds (Signature)

Billy - Starlight

W-Engine

Starlight Rider Faceplate

Disk Set

Yunkui Tales

Disk 4

CRIT Rate% = CRIT DMG% = HP%

Disk 5

Physical DMG% > HP%

Disk 6

HP%

Substats

CRIT Rate >= CRIT DMG = ATK%

Yidhari

W-Engine

Kraken's Cradle

Disk Set

Yunkui Tales (4-PC)

Disk 4

CRIT Rate% = CRIT DMG%

Disk 5

Ice DMG% > HP%

Disk 6

HP%

Substats

CRIT Rate >= CRIT DMG = ATK%

Who Should You Pull?

Billy - Starlight
Pull Billy - Starlight if…
  • You need a Physical Rupture agent and Billy - Starlight's kit matches your account gap.
  • You prefer Main DPS gameplay over Yidhari's DPS identity.
  • Billy - Starlight offers high-octane physical DPS with unique self-sustaining health mechanics and powerful EX Special Attack synergy.
  • He is an essential pull for players needing a versatile Physical Rupture attacker who excels in both sustained damage and survival.
  • Billy - Starlight is a stronger general pull priority (YES) for your roster.
Billy - Starlight Full Guide
Yidhari
Pull Yidhari if…
  • You need a Ice Rupture agent and Yidhari's kit matches your account gap.
  • You prefer DPS gameplay over Billy - Starlight's Main DPS identity.
  • Yidhari is a high-risk, high-reward Ice DPS who excels at managing her own HP to maximize damage output.
  • She is a recommended pull for players looking to master complex, HP-manipulation mechanics or those needing a powerful Ice-specialty unit.
  • Powerful counter-attack potential via tentacle blocks.
Yidhari Full Guide