From Emil Chronicle Wiki

Giant Spider is a level 27 monster.

[edit] Stats

Basic	Combat
Level 27 Experience 120 Job Experience 100 HP 2,400 SP 77 MP 0 Behavior Assist	Type Insect A.SPD 3.24 ATK 30 - 71 DEF 34 C.SPD 2.00 M.ATK 20 - 41 M.DEF 30
Properties Earth(10%) Item Drops Spider Wine, Thread, Arachne Silk Web, Durable Thread, Tarantula Silk Web Skills  ??? Location Lake Utena