• Run command: /give @s minecraft:tipped_arrow{custom_potion_effects: [ {ambient: false, amplifier: 1, duration: 160, id: "minecraft:wither", show_icon: true, show_particles: true}

  ], Potion: "minecraft:empty", CustomPotionColor: 7561558} 64. It will give you 64 tipped arrows with "Wither II(00:01)" displayed

• Summon an iron golem, and shoot tipped arrow to it. It will be hurted in 8 seconds (160 ticks), instead of 1 second.

1708231817797.png: Damaged animation of the iron golem. It plays for 8 times totally.
Snipaste_2024-02-18_12-51-09.png: Item tip of the uncraftable tipped arrows.It displayed as "Wither II(00:01)".