My suggestions are to bring lots of reviver seeds, or level your Pokemon up a lot.
World Abyss has 30 floors.
There are twenty nine floors in the World Abyss. In the World Abyss there are 29 regular floors and one last floor.
It's Giratina
The Abyss .
30 floors
30 floors
you beat him twice at World Abyss 30th floor World Abyss- WNWY JXTK &5C1 4N3- P4NM 8K&C
As you go further in the game Dusknoir eventually captures Grovyle and takes him with both your character Pokemon and his friend to the future of the Abyss world.
Tartarus, or the deepest level of hell, is located under the Euphrates River beneath Ancient Babylon.
it is 30 floors including giritina
To get the World Abyss in Pokémon Mystery Dungeon: Explorers of Sky, you need to first complete the main storyline. After that, keep talking to Chatot at the guild until he gives you a special mission to explore the Zero Isle North. Complete this mission to unlock the World Abyss dungeon.
30 floors