Diablo 4's inaugural season, Season of the Malignant, has brought a new batch of themed dungeons called Malignant Tunnels. To help streamline farming, we've put together a Season 1 Malignant Tunnel Tier List based on monster density, layout structure, and objective complexity! Malignant Heart Overview Crafting Malignant Hearts and Invokers**Editor's Note: This Tier List is based on our opinions and research — you may very well find that these Malignant Tunnel rankings are different than you would rank them yourself. Let us know in the comments below if you think a seasonal dungeon should be ranked higher or lower!
S Tier: Best Malignant Tunnels in Season 1 A Tier: Great Malignant Tunnels in Season 1 B Tier: Average Malignant Tunnels in Season 1 C Tier: Subpar Malignant Tunnels in Season 1 D Tier: Worst Malignant Tunnels in Season 1 Tier Rankings ExplainedThese dungeons, ranked in rough order from best to worst, were reviewed for factors such as mob density, how annoying the objectives were, and the average number of Malignant Heart drops per run.
S Tier TunnelsThese dungeons are the cream of the crop — great layout, easy or nonexistent objectives, and mob density that will keep the experience flowing at a huge rate. The faster you can get them done, the faster you'll level — some of them can be completed in less than two minutes for an experienced player!
A Tier TunnelsWhile not as effective for experience farming as the S Tier dungeons, the A Tiers are no slouch — the biggest difference is a decrease in mob density and fewer heart drops on average.
B Tier TunnelsWe're hitting the average territory of experience farms and dungeon efficiency — mob density is lower, and layouts and objectives steadily
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