It is hard to kill the Leviathan (Job 41:25-41:29)

“When it raises itself up

The gods are afraid;

At the crashing they are beside themselves.

Although the sword reaches it,

It does not avail.

Although the spear reaches it,

It does not avail.

Although the dart reaches it,

It does not avail.

Although the javelin reaches it,

It does not avail.

It counts iron as straw.

It counts bronze as rotten wood.

The arrow cannot make it flee.

Sling stones are turned to chaff.

Clubs are counted as chaff.

It laughs at the rattle of javelins.”

Even the gods are afraid of the Leviathan. No matter what you use, you cannot kill the Leviathan. The sword, the spear, the dart, and the javelin are useless against it. Iron is like straw, while bronze is like rotten wood. Arrows have no effect. Stones and clubs are turned into useless dried out grain. The Leviathan laughs at spears and javelins.