Ancient Ark Grid Cores: Upgrade Order and Selection Chest Planning
Progression & Builds

Ancient Ark Grid Cores: Upgrade Order and Selection Chest Planning

KUKJIN LEE·April 8, 2026

Korean Ancient core planning framework · About these guides

The source proposes a route toward six Ancient Ark Grid cores after Horizon Cathedral. Its claim of 200% efficiency is not a measured result. Start with your active effects, points, and available exchanges before adopting a fixed order.


Should a Damage Build Upgrade Chaos Before Order?

The source favors Chaos cores for damage builds. That can be a useful comparison to make, but the actual effect and point threshold determine the gain.

  • Its example compares an Order effect rising from 8% to 9% with a Chaos effect rising from 3% to 4%. Both rise by one percentage point; the relative changes are 1.09/1.08 and 1.04/1.03. They are not universal values for every core.
  • Applied in isolation to a starting score of 5,000, those ratios give roughly 5,046 and 5,049. The source’s 5,048 may reflect another input or rounding. Neither estimate proves an identical Combat Power increase in the current client or equal raid damage value.
  • Source order: Chaos Sun → Moon → Star, then Order Sun → Moon → Star. Treat it as a proposal, not a rule that overrides a strong build-specific Order effect.

Compare the complete upgraded effect, cost, and active points. A rarity increase alone does not establish that every Chaos purchase beats every Order purchase.

Support Cores and the Claimed 50% Chance

The source says useful support Order Sun/Moon outcomes occur about 50% of the time and are three times likelier than desired damage outcomes. It does not establish the chest pool, weighting, or definition of useful, so these are assumptions rather than official universal odds.

  • Its suggested armor +16–17 starting point also depends on gear generation and budget; it is not an unlock condition for every core exchange.
  • The Source’s Support Route
    • Order Sun/Moon random chests: inspect their actual pool before using the claimed probability to plan spending.
    • Chaos Moon: prioritize a useful Brand-related effect only if it fits your selected core and active thresholds. The Korean effect nickname is not sufficient to identify every Western option.
    • It then suggests Chaos Sun → Order Star → Chaos Star. Compare your own missing effects rather than following this order automatically.

Allocating the Source’s 200-Core-Essence Budget

Damage example: Chaos Moon → Sun → Star unless a stronger Order upgrade is available. Verify the actual recipe and other required currencies; 200 Essence is not a universal current purchase price.
Support example: Chaos Moon → Sun → Order Star → Chaos Star → Order Sun/Moon. This differs from the earlier random-chest route, so distinguish targeted purchases from random acquisition.
A particularly useful Order effect, including a Paladin Order Star option, can change the priority. Confirm the complete effect rather than relying on a class nickname.

When to Use a Selection Chest

A selector can finish a missing slot after random acquisitions. That does not mathematically prove that delaying it is always best; an immediate upgrade may improve play now.

  • If independent draws each have a 1-in-6 success chance, ten misses have probability (5/6)^10 ≈ 16.15%. This checks the source’s example only. Real odds depend on the chest, weighting, and which outcomes you consider useful.
  • Two Reasonable Approaches
    • Option A: select a useful core now. You receive its benefit earlier, while risking a later duplicate. Compare that immediate value with the cost of using the selector.
    • Option B: wait until fewer slots remain. This can reduce duplicate waste, but opening random chests together does not improve each draw’s probability. Check expiry dates before holding any chest.

A selector controls one choice; it does not guarantee six Ancient cores on a fixed budget. Compare actual recipes, binding, deadlines, and useful effects rather than assuming patience alone saves millions of gold.

Sources