Solo Leveling, Vol. 5 (novel): Solo Leveling, cartea 5

Jinwoo's received some amazing gifts from the system, but the latest
one might prove
to be the greatest one yet-a key to the double dungeon where
it all started. Perhaps a
second visit might provide him with answers for
once. He's got some time to kill until
he can use the item though, but
before he can tackle another gate, unexpected
movement from the shadow
soldiers guarding Jinah sets his alarm bells ringing...