One Hundred Steps

is the mount Noble Phantasm of Mori Nagayoshi when he is summoned under either the Lancer or Rider classes.Koha-Ace Servant Sheets: section on Mori Nagayoshi, translated by You at Beast's Lair.
Hyakudan manifests as the Noble Phantasm, based on its ability in life to be able to gallop up the one hundred stone steps of Nagayoshi's in a single breath.Fate/Grand Order - Mori Nagayoshi profile
==Reference==
Category:Noble Phantasms
Category:Mounts
Category:Unclassified Noble Phantasms
Category:Unknown rank Noble Phantasms
Category:Noble Phantasms introduced in Fate/KOHA-ACE