How To Get Potent Alloy in Diablo 4 Season 9

Diablo 4's Season 9, "Sins of the Horadrim," which launched on July 1, 2025, has introduced a wealth of new content, including the highly customizable spellcrafting system. Arcanas are crucial to this system, allowing players to tailor their spells with unique effects. For those struggling with formidable enemy barriers, the Potent Alloy Arcana is a must-have.The Potent Alloy is a Magic rarity Arcana that modifies your Catalyst. Its primary effect is to destroy enemy barriers and then knock them down for 1.8 seconds after the barrier's removal. This makes it incredibly effective for crowd control and quickly dispatching enemies that rely on protective shields.

Diablo 4 : How To Get Potent Alloy in Season 9

The Potent Alloy Arcana is obtained as a drop from completing the newly introduced Horadric Strongrooms. These mini-dungeons are a key feature of Season 9 and offer unique rewards.To acquire the Potent Alloy, you'll need to repeatedly complete Horadric Strongrooms, as the drop is subject to RNG (Random Number Generation). This means multiple runs will likely be necessary.Here's how to access and complete Horadric Strongrooms:

Obtain and Use Nightmare Sigils: Your journey begins by acquiring Nightmare Sigils. Once you have one, use it to enter a Nightmare Dungeon.

Locate the Horadric Gateway: As you navigate through the Nightmare Dungeon, keep an eye on your Horadric Wayfinder. This seasonal tool, which you unlock through the seasonal questline with Bryona in Cerrigar, will notify you when a Horadric Gateway is nearby. You can also increase your chances of finding Strongrooms by using Nightmare Sigils that have a "Horadric Strongroom" affix or by playing on higher World Tiers.

Enter the Horadric Strongroom: Use the Horadric Wayfinder to reach the Horadric Gateway. Interacting with this gate will initiate an ambush of monsters; defeat them, and a portal will open, allowing you to enter the Horadric Strongroom mini-dungeon.

Complete the Strongroom Challenge:

• Once inside, you'll be on a timer (typically 100 seconds). Your goal is to kill all enemies and collect Attunement before the timer runs out.
• The more Attunement you collect, the faster the meter on the right side ofyour screen fills up. A higher Attunement meter directly translates tobetter rewards from the final cache. You can also interact with Horadric Artifact Pillars and Sacrifice Shrines within the strongroom to gainmore Attunement.

Defeat the Boss and Claim Loot:

• When the timer expires (or if you reach maximum Attunement), a boss will spawn.
• Defeat this boss, and it will drop a Horadric cache. The quality and quantity of loot in this cache will be in accordance with your Attunement meter.
• Loot this cache for a chance to acquire the Potent Alloy Arcana.

Since the Potent Alloy is a Magic rarity Arcana, you do not need to reach aspecific rank on the Horadric Knowledge Board to unlock it in thestrongroom's loot pool, unlike rarer (Rare or Legendary) Arcanas.However, higher Attunement levels within the Strongroom generallyimprove your chances for better loot. You will likely need to makeseveral runs to secure this particular Arcana due to the RNG nature ofdrops.

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