Is there a way to extend the effects of Pledge moves?

Question

Does anyone know if there's anything/item to extend the affects of these moves? I.e the rainbow, swamp and lava set up

Comments

none that I know of.

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never seen it either

Answer 1

there is none. but with the added effects you can do some crazy stuff.

Comments

How do you know this?

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ive used them

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with grass and fire u get 1/8 hp tick damage. With fire and water u get a rainbow wich is auto serene grace, and grass and water opponents speed is halved.

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How do you know nothing can extend the effects? Have you used everything?