I'm in hardmode, but still no goblin army.

[torgonudho]

Okay guys, i defeated skeletron, i smashed shadow orbs. There was no goblin army. Okay, i continued to playing, defeated wall of flesh and im in hardmode(and yes 7 game-day passed), i fought against pirates, i got palladium set. But still NO GOBLIINS. Help me.

 

[happyface3000]

maybe use the gobli battle standard item to summon