Boost Alts in Diablo 4: 1-70 Fast with 8 Caches (S13)

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Article by Kami

Boost alts in Diablo 4: why you should level your alts this season

In his latest video, wudijo covers a question that has come up constantly since the Lord of Hatred launch: how to properly boost alts in Diablo 4, all the way to level 70. It is a legitimate concern in Season 13, especially when you want to test multiple classes on the same endgame content. Boosting alts has never been this accessible, and the method requires no outside help.

Character creation menu showing all classes ready for a Diablo 4 boost alts run in Season 13 Lord of Hatred
With every class already created and prepped for level 70, the process is identical for each alt.

wudijo personally created every class this season and prepared them all for level 70. The takeaway is straightforward: there is a self-boost alts method available to any player, with no outside assistance needed. It relies on whisper caches farmed on your main and transferred to your alts.

Farming whisper caches to boost alts in Diablo 4

The core method for boosting alts involves farming whisper caches on your main character in high Torment. Torment 12 is not required: starting from Torment 8, the bonus XP modifier is high enough to make it worthwhile. The higher the Torment tier, the larger that modifier gets, so aim for the highest level your main can handle comfortably.

Shared stash showing whisper caches ready to be picked up by an alt for a Diablo 4 boost alts run.
Caches stored in the shared stash pass directly to the new character.

Once your whisper caches are collected, deposit them in the shared stash. Your freshly created alt simply needs to access the stash, grab the caches, and open them right away. That trip through the shared bank is what makes the entire alt boost strategy work: it bridges your main and your alts without requiring any low-level farming on their end.

What you lose by opening caches at low level

This method does come with trade-offs. When you open whisper caches outside of Torment mode, certain drops are simply off the table. Boss mods, lair keys, and Undercity tributes cannot drop from those caches outside of Torment. That is a hard limitation.

Mythic tributes as well. Whisper caches occasionally drop them, and opening at low level means missing out entirely. It is not a catastrophe, but it is a real loss of value with every opening.

If you have players who can carry you through Pit runs, this alt boost method is clearly the less efficient choice. But if you have no one available and want to level an alt quickly, it remains a solid option. You trade some efficiency for full independence.

How many whisper caches to boost alts from level 1 to 70 in Diablo 4

Around eight whisper caches at Torment 11-12 are enough to cover the full journey from level 1 to level 70. Sometimes seven caches do the job, a bit of RNG decides. You open them one after another, and by the eighth you hit level 70 in one go. It really is that simple.

This is a genuine improvement over what the game used to require. Boosting alts used to take nearly a full inventory of caches. Today, a handful is enough. The system has become far more accessible for launching alts or preparing a character quickly.

Getting your alt into endgame in five minutes

No need to farm for hours before your alt feels viable. If you have spare mythics sitting in storage, equip them immediately regardless of the build. A Ring of Starless SkiesRing of Starless Skies or any other available mythic works fine as a starting point. Round it out with a decent weapon, whatever armor pieces you have, and invest your Paragon board by prioritizing every accessible legendary node.

With that starter kit, Torment 6 to Torment 8 is immediately within reach. That is the ideal window to chain your first Pit run and confirm everything is working. A single run is enough to validate that your alt holds up and can keep progressing.

The entire method takes just a few minutes: mythics equipped, legendary nodes placed on the Paragon board, one Pit run at Torment 6, and you are straight into endgame with no long transition. Perfect gear can wait, but picking the build that suits you best remains the best starting point for everything that follows when boosting alts in Diablo 4.