Hatch the egg, merge for a stronger form, and touch the Hatchmon after a hit knocks it unconscious.
The quoted entry says creatures hatched from eggs assist in battles, and they can merge and evolve into more powerful forms. Hatchmon are knocked unconscious when hit. Agents must touch them to awaken. The sentence that they are immune to a true kill is in that same quoted paragraph.
The 1.0 set note for Lovely Legion says the visuals of Hatchmon eggs turning into shields were improved, along with the set effects. That is a presentation change in the announcement, not a new species list.
A count of named minis and super forms is a community guide claim. It is omitted here until it is the quoted codex or the store post.
Steps, requirements, and a stuck case are on this page.
The wake rule is the Hatchmon paragraph in the quoted PC codex for build 2026.10.8.72af32744d5.
A Hatchmon on the floor after a hit is unconscious, which is the state the quote tells you to clear by touch. Leave it and the assist stays down.
Source codex-tips checked 2026-10-09.
Source launch-news checked 2026-10-09.