How to trigger a blood moon at any time

a tutorial on how to trigger a blood moon
and respawn all monsters at any time
this can be super useful when farming lynels
if you don't know how to farm lynels
here's the link: • How to get the stronge...
now with these 2 tutorials you can not only farm lynels but also A LOT of arrows (i tried it and i usually get from 110-140 arrows per one blood moon )

[@affablesage9582]

You actually only need 3 Opals.

[@Leinad_SMO]

Oh... XD