The tag implication #65609 crucible_(doom) -> doom_(series) has been approved.
Reason: The Crucible is a weapon from the Doom video game series. See similar cases of lightsaber (which implicates star_wars) and master_sword (which implicates the_legend_of_zelda).
EDIT: The tag implication crucible_(doom) -> doom_(series) (forum #424453) has been approved by @spe.
Updated by auto moderator