Limbus Company: How to Beat Lei Heng With the Wedge Twins

To defeat Lei Heng using the Wedge Twins in Limbus Company, level both twin units independently to match the encounter's recommended level, route Lei Heng's dangerous multi-coin attacks using Speed differentials, and pool Pierce damage skills to burst the boss down once he hits a stagger threshold.

Leveling Requirements and Clash Penalties

Deploying the Wedge Twins requires spending EXP tickets and Thread on each twin individually. They function as two distinct units on the combat dashboard rather than sharing a single progression track.

Bringing an underleveled twin into the fight triggers the game's level difference penalty. For every level a unit sits below the encounter target, their effective Clash Power drops. This penalty causes lower-level units to lose clashes automatically against Lei Heng's high-rolling attacks. Fully leveling both twins prevents early staggers, provides independent action slots, and ensures both units roll high enough base numbers to contest incoming skills.

Early Sanity Management and Clash Routing

The opening turns determine whether the Wedge Twins can stabilize. At baseline zero Sanity (SP), skills have an unboosted 50 percent chance to land on Heads. Winning clashes is the primary way to gain SP and reach the 45 SP cap, where coin flips land on Heads roughly 95 percent of the time.

To safely build Sanity against Lei Heng during turns 1 and 2:

1. Check the clash forecast: Do not commit either twin to a "Neutral" or "Unfavorable" clash during early turns.
2. Assign the favorable clash: Direct the twin holding a high-base Skill 2 or high-tier skill to intercept Lei Heng's weakest attack slot to secure early SP gains.
3. Switch to defense on poor odds: If the second twin faces an unfavorable clash against a high-power strike, convert their action into Guard or Evade to absorb or dodge the hit without risking an immediate clash loss.
4. Snowball SP: Once both twins gain positive Sanity, use their improved coin-flip odds to contest Lei Heng's primary attack slots consistently.

Intercepting Lei Heng's Attack Slots

Lei Heng acts across multiple combat slots per turn, alternating between single-coin heavy hits and multi-coin flurries. Leaving his attack slots unopposed allows him to focus down a single twin, triggering a fast stagger.

Use the dashboard Speed values at the start of each turn to organize your responses:

• Faster Twin: Intercept Lei Heng's highest-threat attack slot using their best clashing skill. Redirecting the boss's main attack protects the slower twin from taking unmitigated damage.
• Slower Twin: Target Lei Heng's secondary slots. If the secondary slot is weak, clash it to build SP or deal chip damage. If the boss's attack is already locked to the faster twin, use the slower twin to strike unopposed.
• Defensive Bailouts: If neither twin rolls higher Speed than Lei Heng's primary slot, activate a defensive skill on the targeted twin rather than letting an offensive skill lose a clash.

Exploiting Stagger Thresholds With Pierce Burst

Lei Heng features discrete stagger lines across his health bar. Crossing these thresholds immediately cancels his queued skill slots for the remainder of the turn and lowers his defensive resistances.

Because the Wedge Twins focus heavily on Pierce damage, your highest damage potential occurs while Lei Heng is staggered:

• Pacing Skills: Save high-tier Skill 3 attacks while working through Lei Heng's neutral phase. Rely on Skill 1 and Skill 2 to win clashes and push the boss's HP toward the marker.
• Burst Timing: Once Lei Heng enters stagger, commit both twins' strongest Pierce attacks simultaneously. Unopposed Pierce skills deal amplified damage against his staggered state, frequently pushing his health bar directly into subsequent stagger lines or finishing the fight.

Turn Phase Reference