## Recycling is basically 80%, and if you’re careful, you get 90% back.

This is just a memo before creating a solid page, etc.

When you use a reinforced artifacts as a material, you basically get back 80% of the experience you used to enhance it.

In addition, when reinforcing an artifact, there is a certain probability of getting double or even five times the experience.

According to the page I referred to [1], the probability of doubling is 9% and the probability of quintupling is 1%.**If the ceiling of level 20 is not reached at the time of reinforcement, the average return will be 90.4%.**

[(0.9 times 1 + 0.09 times 2 + 0.01 times 5) times 0.8 = 0.904]

Be careful of the upper limit. The experience value of the relics will not be returned after 20 levels and will be lost.

The maximum level of a 5-star artifact requires 270,475 experience.

The minimum experience value that will not be exceeded when multiplied by 5 is 54095.

This is the value when multiplied by 0.8, so the original accumulated experience is about 67619.

In other words, **a 5-star artifact that does not exceed this value when multiplied by 5 is between level 10 and level 11**[1].

In fact, **there is an additional sub-option at level 12, so it would be better to look at that point and decide whether to use it as bait or not ……………**.

## References

[1] 原神 Wiki 聖遺物経験値

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