limestone cave; limestone cavern
cavern; cave; cave system; grotto
ceiling; ceiling price; (price) ceiling
spear; lance; javelin; lance; (arch.) jeering
rugged; scraggy; angular; gnarled
cave; cavern; den; grotto
to step on; to tread on; to set foot on (e.g. foreign soil); to stand on; to experience; to undergo; to follow (rules, principles, etc.)
suddenly; all of a sudden; quickly; emphatically; energetically
chin; jaw; gills; branchia
cryptid (unidentified mysterious creature); mythical beast
chilly; rather cold; somewhat cold
optical illusion; hallucination; misapprehension; delusion
to attack; to assail; to succeed (someone in a post, role, etc.); to make a sudden visit
opposite side; bottom; rear; back; lining; inside; in the shadows
in this manner; in this way; like this
adventurous spirit; sense of adventure
stimulus; impetus; incentive; encouragement; motivation; provocation
indeed; really; very; extremely; absolutely; certainly
terrain; geographical features; topography
to allow (someone or something) to come near; to let get close
unexplored region; secluded region; place off the beaten track
every corner; every nook and cranny; all the ins and outs
to examine; to look up; to investigate; to check up; to sense; to study
the present; present time; as of; present tense; this world; this life
sentimental; mushy; sugary; saccharine; sickly-sweet
taking a long time; slowness; sluggishness; lack of firmness; looseness; slovenliness
echo; reverberation; spirit of a tree; tree spirit
deep inside; innermost place
department (in an organization); division; club; part; component; category
profound; deep; deep (of a cave, etc.); innermost; interior
cave; tunnel; tunnel tomb (Kofun period)
to go; to come; to turn out (at a meeting, event, etc.); to show up; to make your way to
sense of urgency; feeling of high tension