Reinforced Defense Component

What It's Used For

Increases a Defense model W-Engine's level cap to 40.

How to obtain

Combat Simulation -> W-Engine Modification mode (HIA Club); Reinforced Defense-model component.

Per official data

Dismantle

Used By Which Agents

5 Agents need this item to ascend or upgrade.

Caesar

Zhao

Ben

Seth

Pan Yinhu

How Many You Need

Quantity needed at each W-Engine upgrade milestone using tier 2 components.

Milestone	Qty	Denny (whole step)
S · 20 → 30	×12	28,000
S · 30 → 40	×20	60,000
A · 20 → 30	×10	22,400
A · 30 → 40	×16	48,000
B · 20 → 30	×7	16,800
B · 30 → 40	×12	36,000

Where To Farm

Combat Simulation — each Enemy Card costs 20 Battery, up to 5 cards per run (100 Battery for a full run).

Combine / Dismantle

This tier-2 item can be COMBINED into a higher tier or DISMANTLED into a lower tier via the Item Processing menu in your inventory — check the exact conversion rate in-game.

Combine up to
Specialized Defense Component Dismantle down to
Defense Component

Lore

An enhanced W-Engine Component crafted using specialized techniques. It significantly reduces energy loss in Support model W-Engines, resulting in excellent energy conversion efficiency.

Same rarity items

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FAQ

What is Reinforced Defense Component used for in Zenless Zone Zero?

Increases a Defense model W-Engine's level cap to 40. This is a 1-star item in Zenless Zone Zero (ZZZ), kept in the Proxy's inventory and used to upgrade Agents, W-Engines, or Drive Discs depending on the exact item type — see how to obtain it and where to farm it in the sections below.

Which Agents need Reinforced Defense Component?

Reinforced Defense Component is used by 5 Agents to ascend or upgrade, including Caesar, Zhao, Ben. See the full list with portraits in the "Used By Which Agents" section above on this page.

Where do you farm Reinforced Defense Component, and how much Battery does it cost?

Reinforced Defense Component is farmed at Combat Simulation, in the mode matching this item's type — each Enemy Card costs 20 Battery, up to 5 cards in a single run (:cap Battery for a full run). This is the main farming spot when you need upgrade materials: pick the mode that matches the item type, add more cards to raise the rewards of that single run, and save up Battery for one full run instead of many small ones.

What item type is Reinforced Defense Component, and how many stars is it?

Reinforced Defense Component is a "W-Engine Component" item with a 1-star rarity in Zenless Zone Zero. See more items of the same rarity at the bottom of this page to compare and plan your farming.