Refinements:

R1: Rebellious Guardian

Taking DMG generates a shield which absorbs DMG up to 20% of Max HP. This shield lasts for 10s or until broken, and can only be triggered once every 45s. While protected by a shield, the character gains 12% increased DMG.

R2: Rebellious Guardian

Taking DMG generates a shield which absorbs DMG up to 23% of Max HP. This shield lasts for 10s or until broken, and can only be triggered once every 45s. While protected by a shield, the character gains 15% increased DMG.

R3: Rebellious Guardian

Taking DMG generates a shield which absorbs DMG up to 26% of Max HP. This shield lasts for 10s or until broken, and can only be triggered once every 45s. While protected by a shield, the character gains 18% increased DMG.

R4: Rebellious Guardian

Taking DMG generates a shield which absorbs DMG up to 29% of Max HP. This shield lasts for 10s or until broken, and can only be triggered once every 45s. While protected by a shield, the character gains 21% increased DMG.

R5: Rebellious Guardian

Taking DMG generates a shield which absorbs DMG up to 32% of Max HP. This shield lasts for 10s or until broken, and can only be triggered once every 45s. While protected by a shield, the character gains 24% increased DMG.

Your support is more valuable than a primogem.