If you're weighing up the Season 15 reputation grind, look past the first completion. The repeatable Mystery Greater Archetype Cache is the reward that matters most for keeping your endgame runs supplied. For players chasing D4 items, that means the board's value isn't limited to equipment. Its Splinters can support the activities you already want to run. Hatred, Terror, Sin, and Pain are the drops to watch, though a few good cache openings shouldn't be treated as proof of a fixed drop rate.

The climb still pays along the way

Don't overlook what you collect before reaching the repeatable rewards. Solemn Reflection and Ancient Memory provide experience, while currency caches add gold and murmuring obols. Forgotten Souls, Neathiron, and gem fragments help with crafting needs. Then there are the Shock, Pyromancy, and Frost caches, which offer equipment for your class and chances at Greater Affixes. Some pieces won't fit your build. That's fine. The useful question is whether these rewards save you another farming session, not whether every cache contains an upgrade.

Pick the reward you actually need

The Splinter of Destruction board, associated with Baal in Hell's Legacy, has 24 ranks and takes 20,000 reputation to complete. Waking Nightmares and Prime Evil remnants provide routes through that progression. Rank 24 awards the Resplendent Cache and its guaranteed Resplendent Spark. That gives you a clear target for Mythic crafting, but it's a different goal from collecting consumables. Choose your route before committing several sessions to it. Otherwise, you can spend plenty of time progressing without addressing the shortage holding your character back.

Fresh characters need a clear purpose

Starting another character makes sense when you specifically need the completion Spark. Experience tomes can help with leveling, and activities such as The Undercity can form part of that routine. Still, you're repeating the full reputation requirement, not collecting a quick reward. Count setup time, weaker early gear, and the climb itself when comparing options. If your main already clears seasonal content comfortably, switching away from it needs a reason beyond wanting another cache.

Use experience rewards during the leveling process.
Track reputation progress alongside character levels.
Keep useful Splinters for planned endgame runs.

Keep farming tied to your next upgrade

For Splinter supplies, staying on a strong character avoids rebuilding your farming setup each time. Keep earning reputation beyond rank 24 and judge the repeatable caches across several openings, not one lucky batch. Players considering whether to buy diablo 4 runes cheap should separate that decision from this board's rewards, since runes and Splinters serve different needs. Farm toward the resource you're missing. A Spark shortage favors another completion; a shortage of activity modifiers favors continuing with your main.