Artifacts Training

Artifact Training Elements
Artifact can be trained through "Strengthen", "Limite Break" and "Skill Enhancement":
 * Strengthen: Raises artifact's level; consumes.
 * Limit Break: Raise the upper limit of the level; consumes.
 * Skill Enhancement: Raise level for normal attack; consumes as well as limit break.

Training Guide

 * Sacred Artifacts do not receive experiences from quests that are different from soulmates.
 * Do not spend common keys to train raid artifacts cause you can farm their keys from doing raids.
 * It isn't recommended to spend common keys to enhance skill unless it upgrades more than just damage deals when called. And enhance skill should be kept for last.

Strengthen

 * gives 100 exp each.
 * gives 1000 exp each.
 * gives 2500 exp each.
 * gives 10000 exp each.

Limit Break

 * You can raise level limit for your artifact using and.
 * Unique soulmate keys unique to each artifact is consumed preferentially, and then the shortfall is consumed from common soulmate keys by rarity.
 * Each limit break stage upgrades participant effect for your artifact.

Skill Enhancement

 * You can raise call effect level for your artifact using and.
 * Unique soulmate keys unique to each artifact is consumed preferentially, and then the shortfall is consumed from common soulmate keys by rarity.
 * Enhance skill will only raise the amount of damage deals to target for most of artifact. But for some artifacts, enhance skill can raise the effect too.