Click on the button "impulse" to change the command block to "repeating" (The purple ones)
Remember to change the commands to @a[nbt={Inventory:[{Slot:100b,id:"minecraft:leather_boots",tag:{display:{color:8439583}}}]}] instead of @p if doing multiplayer.
Commands:
Add chakara: /xp add @a 5 points
Boots:
/execute if entity @a[nbt={Inventory:[{Slot:100b,id:"minecraft:leather_boots",tag:{display:{color:8439583}}}]}] run xp add INSERT_NAME -8 points
Effects:
attribute @p minecraft:generic.max_health base set 26
effect give @p minecraft:instant_health 1 10
effect give @p speed 1 1 true
effect give @a[nbt={Inventory:[{Slot:100b,id:"minecraft:leather_boots",tag:{display:{color:8439583}}}]}] minecraft:strength 1 1 true
effect give @p minecraft:resistance 1 1 true
effect give @p minecraft:jump_boost 1 0 true
Particle Effects:
White Dust: /execute at @a[nbt={Inventory:[{Slot:100b,id:"minecraft:leather_boots",tag:{display:{color:8439583}}}]}] run particle dust 1 1 1 3 ~ ~ ~ 0.2 0.2 0.2 0 1
Green Particle: particle dust 0.28 2.12 0.28 1 ~ ~1 ~ 1 1 1 0 10
Red Particle: particle dust 2.32 0.03 0.03 1 ~ ~1 ~ 1 1 1 0 10
After Effects:
effect give @p minecraft:instant_damage 1
attribute @p minecraft:generic.max_health base set 20
/effect give @p minecraft:slowness 7 1 true
/effect give @p minecraft:nausea 7 1 true
Congrats if you actually copied and pasted all of this