eld.gg Diablo 4 Items: Codex Tracks
Catalysts: Core Spell Frameworks
Catalysts define the core structure of Diablo 4 Items your active spells—beam, AoE, pull, taunt, etc. They drop from:
Seasonal Quest Rewards – The introductory quest gives you a basic one.
Seasonal Events – Helltides, world bosses, bounties.
Nightmare Dungeons – Higher-level variants reward rarer Catalysts.
Seasonal Codex Milestones – Grant components as you progress.
Catalysts come in tiers—normal, Rare, and Legendary—each with higher damage, bonus effects, or functionality tweaks.
4.2 Infusions: Elemental Flavor & Status Effects
Infusions add elemental type to your spells—Fire, Cold, Poison, Lightning, or Shadow. They change the spell's thematic damage and may apply status effects like Chill or Ignite. To get Infusions, engage in:
Helltide Events – Infusion caches reward these.
Bounties & Seasonal Event Zones – Both world and local events drop them.
Nightmare Dungeons & Elite Bosses – Rarer drops with more effect potential.
Codex Tracks – Rewards for seasonal progression.
Infusions too come in ascending rarity, with better scaling and damage.
4.3 Arcana: Utility Modifiers
Arcana provide spell modifiers—Options like Unstoppable, Vulnerable, or Healing, among others. They are unlocked by:
Seasons' Codex Chapters – Daily and weekly objectives.
Helltide Encounters – Chests at event completion.
World Events & Whisper Trees – Whisper rewards often include Arcana.
Nightmare Dungeons – High-challenge zones have rarer Arcana.
Arcana have three rarities—Magic (base), Rare, Legendary—with cheap Diablo 4 materials differing power.