Assuming the monster doesn't have any special text which explains how to summon it, then a 10 star monster just requires two tributes, because Lv7+ monsters need two.
The Earthbound Immortals and Andro Sphinx/Sphinx Teleia are Lv10 monsters that are tribute summoned as normal with just two tributes.
Chat with our AI personalities
When using metamorphosis the LV of the Fusion monster should be the same as the LV of the monster you are going to tribute.
it 's simple 5,6 one tribute 7+ two tributes. As well, because the only two cards that are twelve star that do not go into your extra deck are Yubel: The Ultimate Nightmare and Obelisk the Tormentor (Legal Version), only Obelisk requires three tributes.
The number of stars (or the level of a monster) can range from one star to twelve stars.
you would have to download a hack from the internet
Kill the moga