Base Mahito in JJS has 100 HP according to multiple community references and guide discussions.

Quick Scoop

  • Base Mahito HP: 100.
  • This matches player discussion noting “he has 100 HP” and a character listing that shows Mahito at 100HP.

Note

Some guides and videos focus more on his cooldowns, damage, and combo strength than on health, but the HP value itself is consistently listed as 100 in the sources I found.

TL;DR: base Mahito has 100 health in JJS.