Theorylytics

Billy vs Ellen

Billy vs Ellen — two Attack agents competing for the same roster slot.

TL;DR — Quick Pick

Pick Billy if…

  • You need a Physical Attack agent and Billy's kit matches your account gap.
  • You prefer DPS gameplay over Ellen's Attack identity.
  • Billy is a solid, accessible Physical attacker who excels at mid-to-long-range sustained damage.

Pick Ellen if…

  • You need a Ice Attack agent and Ellen's kit matches your account gap.
  • You prefer Attack gameplay over Billy's DPS identity.
  • Ellen remains a premier Ice DPS whose high-frequency, charge-based attack kit allows for explosive burst damage.
Verdict

Billy and Ellen are both Attack investments that answer different account needs. Billy (Physical, DPS) shines when Billy is a solid, accessible Physical attacker who excels at mid-to-long-range sustained damage. Ellen (Ice, Attack) is the better commit when Ellen remains a premier Ice DPS whose high-frequency, charge-based attack kit allows for explosive burst damage. Compare signature builds, team requirements, and your existing supports before pulling either.

At a Glance

Billy
Stat
Ellen
Physical
Attribute
Ice
Attack
Specialty
Attack
A-Rank
Rank
S-RankWinner
DPS
Primary role
Attack
Direct Attack
Damage type
Direct Attack
CRIT Rate
Scaling focus
CRIT Rate
Physical + Ranged DPS
Playstyle clarity
Ice DPS + High MobilityWinner
Strong
Self-sustain
Strong
ModerateWinner
Team flexibility
Focused
Dialyn / Sunna / Anby
Best support shell
Lighter / Astra Yao / Dialyn
Steel Cushion(S1) — S-rank · AccessibleWinner
F2P W-Engine path
Steel Cushion — S-rank · Accessible
Good
M0 viability
ExcellentWinner

Strengths & Weaknesses

Billy

Strengths
  • Safe mid-to-long-range attack distance
  • High AoE damage potential with piercing shots
  • Increased damage output while in Crouching Shot
Weaknesses
  • Stationary playstyle leaves him vulnerable to knockback
  • Core passive damage buff lost if repositioning incorrectly
  • Requires proper team synergy to maximize Ultimate potential

Ellen

Strengths
  • Superior invulnerability uptime during execution
  • High burst potential via charge consumption
  • Excellent crowd control through Freezing
Weaknesses
  • Requires precise management of charge stacks
  • Performance heavily gated by stack availability
  • Linear playstyle around specific attack strings

Shared Team Members

With Billy

Builds Daze so Billy can capitalize on stun windows.

With Ellen

Opens stun windows so Ellen can dump burst damage safely.

Best Builds (Signature)

Billy

W-Engine

The Brimstone(S5)

Disk Set

Woodpecker Electro(4-PC)

Disk 4

CRIT Rate%

Disk 5

Physical DMG%

Disk 6

ATK%

Substats

CRIT Rate >= CRIT DMG = ATK%

Ellen

W-Engine

Deep Sea Visitor

Disk Set

Puffer Electro

Disk 4

CRIT DMG%

Disk 5

PEN Ratio% > Ice DMG%

Disk 6

ATK%

Substats

CRIT Rate >= CRIT DMG = ATK%

Who Should You Pull?

Billy
Pull Billy if…
  • You need a Physical Attack agent and Billy's kit matches your account gap.
  • You prefer DPS gameplay over Ellen's Attack identity.
  • Billy is a solid, accessible Physical attacker who excels at mid-to-long-range sustained damage.
  • He is a great investment for new players needing a reliable main DPS before pulling for high-tier limited units.
  • Safe mid-to-long-range attack distance.
Billy Full Guide
Ellen
Pull Ellen if…
  • You need a Ice Attack agent and Ellen's kit matches your account gap.
  • You prefer Attack gameplay over Billy's DPS identity.
  • Ellen remains a premier Ice DPS whose high-frequency, charge-based attack kit allows for explosive burst damage.
  • Her mobility and invulnerability windows make her an exceptionally safe and top-tier choice for clearing endgame content.
  • Ellen is a stronger general pull priority (YES) for your roster.
Ellen Full Guide