Diablo 4 Boosting

In Diablo 4 Season 15, the gem system continues the restructuring from Lord of Hatred, further reducing the cost of upgrading high-tier gems and increasing the efficiency of gem resource acquisition. Currently, different types of Gems provide different effects in weapon, armor, and jewelry slots, while upgrading Royal, Grand, and Horadric Gems forms the core of endgame gem progression in Season 15.

If your goal is to craft the highest-level Flawless Horadric Gem, the most direct approach is to first reliably acquire Royal Gems and then upgrade them step-by-step according to fixed crafting recipes. For players who want to quickly complete gem progression, Three Ancients is currently a key farming target.

Three Ancients Fast Farming of Royal Gems

In Season 15, efficient Royal Gem farming is based on Three Ancients encounters within Worldstone Keep.

Upon entering the dungeon, there's no need to clear the numerous monsters along the way. Simply follow the walls near the entrance to find the branching paths leading to Ancients area. This area is usually located at the 10 o'clock or 2 o'clock position from the entrance, so quickly moving along one side of the wall will make it relatively easy to find your target.

Once you reach Ancients area, activate the altar and defeat the three Ancients: Madawc, Korlic, and Talic. After completing the encounter, you'll receive a fixed Royal Gem reward, along with other loot.

Here's a crucial farming tip: the fixed Royal Gem reward for Three Ancients does not increase proportionally with increasing torment difficulty. Therefore, if your character cannot comfortably farm T12, there's no need to sacrifice completion speed for a higher difficulty.

A more sensible strategy is to choose a difficulty level where you can quickly defeat Three Ancients, improving overall Royal Gem output efficiency by shortening the time per run. For players who simply want to quickly accumulate Royal Gems, the advantage of speed farming Three Ancients lies in its clear objective, fixed route, and the fact that it doesn't require completely clearing the dungeon.

From Royal Gem to Flawless Horadric Gem

Once Royal Gem is ready, you can proceed with the high-tier gem upgrade process. The entire process is divided into three stages. The first stage is completed at Jeweler, and the latter two stages are completed using Amalgamation in Horadric Cube.

Stage 1: Royal → Grand

At Jeweler, use 10 Royal Gems of the same type to synthesize 1 Grand Gem.

Stage 2: Grand → Horadric

After obtaining te Grand Gem, use Amalgamation in Horadric Cube to synthesize 5 Grand Gems of the same type into 1 Horadric Gem at a 5:1 ratio.

Stage 3: Horadric → Flawless Horadric

Use Amalgamation recipe in Horadric Cube again to synthesize 5 Horadric Gems of the same type into 1 Flawless Horadric Gem.

Therefore, the complete upgrade chain is:

250 Royal → 25 Grand → 5 Horadric → 1 Flawless Horadric

This is also the most important number when planning your Royal Gem Farm. After determining the target gem type, you can calculate backwards how much Royal Gem you need to accumulate, and then arrange your farming plan according to your farming efficiency.

Gems paired with Soul Splinters

Jewelry slots in D4 Season 15 are no longer just for gem selection. With the addition of Soul Splinters, players need to balance the damage or resistance provided by gems with the special effects brought by Soul Splinters.

Soul Splinters are special gems added in Season 15, with 8 types. They provide various special bonuses along with corresponding side effects and can be upgraded in Horadric Cube via Amalgamation.

Unlike gems, the core value of Soul Splinters is not simply increasing damage or resistance, but rather enhancing the build through special effects. For example, Splinter of the Mother allows your character to freely pass through enemy bodies, inflicting vulnerability, and after a certain number of times, you will also be stunned - this effect is particularly useful for builds with high mobility and cleanse mechanics.

Therefore, Season 15 gem setups shouldn't be simply understood as using the highest-level gems in all slots. A more reasonable approach is to use Flawless Horadric Gems for base stats and resistances, and Soul Splinters for the core build mechanics.

With limited Jewelry slots, the number and type of Soul Splinters should be determined based on the build's purpose, and then the remaining slots should be used to supplement the required resistance or other stats. For builds aiming for endgame strength, Flawless Horadric Gems and Soul Splinters are not an either-or system, but rather should be combined as two sets of gems with different functions.

Gem Trading and Resource Considerations

Complete gems can be traded, so if you are missing a certain Diablo 4 Flawless Horadric Gem, you can obtain it through the trading system instead of necessarily farming it from scratch.

For players planning to develop a character long-term, it's recommended to first determine the types of gems needed for your build, and then focus on crafting and upgrading those gems. Especially before crafting high-tier gems, avoid frequently changing your target type due to build adjustments. Also, high-tier gems are not suitable for indiscriminately dismantling for resource recycling. Confirming build requirements before crafting is usually more efficient than salvaging later.

Summary

The development of high-tier gems in Diablo 4 Season 15 can be simply understood as a clear upgrade path:

Three Ancients → Royal Gem → Grand Gem → Horadric Gem → Flawless Horadric Gem

Therefore, to efficiently craft Flawless Horadric Gems, the most important thing is not blindly increasing farming difficulty, but rather determining the target gem type, consistently farming Royal Gems, and planning resources according to the 250:25:5:1 quantity ratio.

Diablo 4 Season 15 has a fairly serious exploit. Players can equip one more Unique Charm than normally allowed. If you see someone on the leaderboard using two Unique Charms along with a Hellfire Torch, they are most likely taking advantage of this exploit.

The official decision is to temporarily allow the exploit because its requirements are relatively demanding, and not every player can take advantage of it. The exploit will be fixed in the next Season. In other words, if you want to, you can also use this exploit to potentially double your damage.

Exploit Mechanics

To use this exploit, you need the following items:

• Seal of the Golden Epiphany: Allows you to equip 1 additional Unique Charm.
• Seal of the Diamond Mind: Reduces the number of Charms required for a Set Bonus by 1.
• Hellfire Torch: Increases the set count of a designated Charm Set by +1, effectively providing one additional set count.

First, equip Seal of the Golden Epiphany. This Seal allows you to equip up to 3 Unique Charms.

While Seal of the Golden Epiphany is active, equip Hellfire Torch and 2 other Unique Charms of your choice.

Without removing any of these Unique Charms, switch Seal to Diamond Mind. This Seal reduces the number of Charms required to complete a Set Bonus.

The game will retain the effects of the 3 Unique Charms you previously equipped while applying the set bonus rules of the new Seal.

As a result, you can enjoy the effects of 3 Unique Charms at the same time while also receiving the full 5-piece Set Bonus. This can increase your damage by at least 1 to 1.5 times, which is absolutely impossible under the normal rules.

Of course, the requirements are also quite demanding because you need to obtain these Diablo 4 items first before taking advantage of this exploit and their interactions to achieve a major overall gear upgrade.

Official Response

This exploit has indeed caused some very negative effects. Basically, players competing at the top of the leaderboard have to use it, otherwise they will be left far behind by other players.

However, the official team has chosen not to fix the exploit immediately because many players have already invested a great deal of time farming Hellfire Torches. They do not want to simply remove this interaction or take away what players have worked for, so they have decided to allow the exploit to remain for the rest of the current Season.

The negative impact of this exploit is limited mostly to the very top players, since both Mythic Seals and Hellfire Torches are extremely rare. Only a small portion of players can obtain all of them, and as the official team has stated, doing so requires a significant amount of time.

How To Farm These Items?

For Mythic Seals, the highest drop rate in Season 15 comes from Capstone Dungeons. Their difficulty is roughly equivalent to Torment 13, so they are quite challenging. However, the bosses at the end of these dungeons have an exceptionally high Mythic Unique drop rate, which also includes Mythic Seals.

For Hellfire Torch, you first need to complete the Season 15 Seasonal Questline and unlock Torment difficulty. After that, challenge the Season-exclusive Echoes of the three Prime Evils. They have a chance to drop their corresponding Splinter.

After collecting all three Splinters, you need to transmute them in Horadric Cube to obtain Wirt's Lucky Coin.

Find and read 10 Deckard Cain's Journals scattered throughout Sanctuary. Then return to the Imperial Library and speak with Deckard Cain. He will open a portal leading to the reconstructed Old Tristram.

Find the fountain in the center of Old Tristram town and make sure Wirt's Lucky Coin is in your inventory. Interact with the fountain and make a wish. This will open a red portal, and entering it will start the Echoes of Tristram Boss fight.

Here, you need to face Diablo, Baal, and Mephisto at the same time. Defeating them will guarantee a Hellfire Torch drop.

How To Get Splinters?

Helltide

In Helltide, look for Echoes of the Primeval to spawn, which can be an Echo of Diablo, an Echo of Baal, or an Echo of Mephisto.

They have a chance to spawn whenever players complete a Grim Favor event, earn Whispers of the Dead points, complete an Open World event, or even finish a Rupture Portal in Helltide.

This spawn chance applies anywhere in the open world, not just Helltide. However, Helltide has more players around, making it easier to encounter other players who are also completing these activities. When an Echo of the Primeval is about to spawn, all players will receive a warning, allowing them to arrive and help.

They have roughly an 80% chance of dropping a random Splinter. If they spawn consistently, they can be a very good source.

Capstone Dungeons

The boss at the end of each dungeon can drop any of the three Splinters, but has a higher chance of dropping the Splinter associated with that boss.

Since the three dungeons have similar efficiency, you should farm the dungeon associated with Splinter you need.

• Splinter of Hatred: Defeat Mephisto in Durance of Hate in Hawezar.
• Splinter of Destruction: Defeat Baal in Worldstone Keep in Fractured Peaks.
• Splinter of Terror: Defeat Diablo in Labyrinth in Scosglen.

Splinter drops are not 100% guaranteed, so you may need to run the dungeons several times.

Compared with the number of runs required, these bosses have a relatively low chance of dropping Splinters. However, unlike Echoes in Helltide, the bosses are always available here, with the main drawback being their low drop rate. In addition, you can only hold one of each type of Splinter, and they cannot be stacked.

If you want Seasonal Reputation, experience, Paragon Levels, and similar rewards, go to Helltide. You can farm those rewards while also trying to trigger Echoes and obtain Splinters.

If you are more interested in Mythic items, including Mythic Seals and Resplendent Sparks for crafting, farm Capstone Dungeons at the highest Torment difficulty.

Either way, farming these items involves a lot of RNG. However, if you eventually manage to obtain the required Charms and Seals and complete the setup, the upgrade will be enormous as long as you have the full set and it fits your build.