The best build for Arlecchino uses the Fragment of Harmonic Whimsy artifact set. This set synergizes perfectly with her Bond of Life mechanic

A unique feature Arlecchino can generate through her Elemental Skill and cleanse with her Elemental Burst, which also resets her Skill’s cooldown.

When building Arlecchino, prioritize CRIT stats to maximize her damage output. Aim for a CRIT Rate of around 75–80%, then focus on increasing CRIT DMG and ATK/ATK%.

If you happen to roll Elemental Mastery or Energy Recharge, those can be useful secondary stats, but they’re not essential to her overall performance.