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Updated on 7 May 2025

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Best Conquest Spider build 2.8.3? (credit Yawg)

The Spider Boss appears twice a week, and it is available to all alliances that have unlocked the boss through alliance building progression. Once summoned, the Spider Boss becomes a shared challenge where all alliance members can contribute damage to take it down.

This guide features a top-tier setup provided by Yawgmoth, who has managed to push some of the highest spider boss damage totals we’ve seen, despite not having maxed talents or fully upgraded skills yet. The potential of this composition is enormous, and it should be considered one of the premier builds for any player seeking to dominate spider raids.

The Spider Boss, formally known as the World Spider, is one of the most important PvE activities in Infinity Kingdom, especially for players looking to maximize progression through equipment upgrades and artifact enhancement.

πŸ“… When and Where

🎯 Why You Must Do the Spider Boss

The Spider Boss is the #1 source of Enchanted Stones, the resource used to upgrade your equipment β€” and equipment upgrades are what skyrocket your Immortals’ stats as you move into mid- and late-game content. Without a steady supply of stones, your power will stagnate.

πŸ’Ž Rewards You Can Expect:

  • Dragon Crystal Chest Keys – Used to open Dragon Crystal Chests that contain crucial dragon upgrade materials. These are essential for advancing your elemental dragon to higher stages and unlocking powerful passives.
  • Tons of Enchanted Stones – At high levels, each hit on the spider boss can net tens of thousands of stones. This is the most efficient way to collect large amounts for equipment upgrades.
  • Ranking Rewards – Philosopher stones, gems and speed-ups

This is why you need a top tier build! In the following we feature a build from Yawgmoth that has done incredibly well. He has been kind enough to share it with us all! Thank you!

πŸ’₯ Core Strategy: Maximize Redirect and Burst

The Spider Boss in Infinity Kingdom remains one of the most challenging yet rewarding PvE encounters in the game. The fight is all about single-target burst damage, careful synergy between immortals, and most importantly, the Life-Link + Absolute Defense combo, which redirects massive amounts of damage back at the boss. With the right build, players can achieve incredible damage numbers.

  • Single-target damage is king in spider fights.
  • Stack damage amplification and energy regeneration to optimize ultimates.
  • Key synergy: Life-Link + Absolute Defense on your tank transfers incoming damage to the boss.
  • Battle duration allows time for ramp-up skills to fully scale.

πŸ”₯ Immortal Setup Breakdown

πŸ§™ Mathilda (Support / Energy Engine)

  • Purpose: Energy regeneration + buffs
  • Key Skills:
    • Weakness Aura – Critical chance boost
    • Soul Synergy – Keeps Tutankhammun at high HP
    • Energy Shield – Shields also amplify Life-Link redirects
  • Synergy: Buffs team survivability and enables stronger ultimates.

πŸ”₯ Seondeok (Backline DPS)

  • Purpose: Main magic damage dealer
  • Key Skills:
    • Anger – Physical damage amplification
    • Energy Master (or Absolute Radiance/Energy Burst if unavailable)
    • Fire Protection – Crit-based bonus damage
  • Synergy: High crit rate due to Weakness Aura and low boss resilience means big numbers.

πŸ›‘ Khubilaikhan (Debuff Utility)

  • Purpose: Amplify physical damage taken by boss
  • Key Skills:
    • Guard – Support Tutankhammun survivability
    • Life-Link – Mandatory for redirect combo
    • Absolute Defense – Must-have for redirect damage
  • Synergy: Debuffs boost Tutankhammun damage output significantly.

πŸ’€ Tutankhammun (Core DPS / Redirect Tank)

  • Purpose: Primary damage dealer and tank via redirect combo
  • Key Skills:
    • Battle Stance – 100% damage boost after ramp
    • Demonic Contract – 150% boost over time
    • Blade Dodge – Additional 70% damage after 20s
  • Total Damage Scaling:
    • +100% Battle Stance
    • +70% Blade Dodge
    • +150% Demonic Contract
    • +20% Mathilda Buff
    • = 340% Total Damage Boost!
  • Tip: Start slow, ramp high. You don’t care about early damage β€” you’re preparing for the explosion mid-fight.

🧠 Summary Tips:

  • Focus your skill investment on Tutankhammun, he’s the damage engine.
  • Do NOT skip Life-Link or Absolute Defense; they define the strategy.
  • Let Mathilda and Khubilaikhan keep the team alive long enough to scale.
  • Aim for max uptime on critical buffs like Anger and Demonic Contract.
  • Survivability is crucial β€” running out of HP before scaling kills the setup.

This build, even in its incomplete form, is one of the highest potential spider boss builds tested in Conquest 2.8.3. If you’re chasing top-tier rankings or just trying to farm efficiently, this team is well worth your investment.

Happy hunting!

Published: 07-05-2025