At Lvl 4 take Bed of Barbs against immobile mages, such as Kt(Both of them), Chromie, Nazeboo etc.
Against Mobile mages such as Li-Ming, or if you wanna be more aggressive, take Underking if you're good at hitting Burrow Charge, if not, take Shed Exoskeleton.

At Lvl 4 take Bed of Barbs against immobile cahracters.
Against Mobile characters, or if you wanna be more aggressive, take Underking if you're good at hitting Burrow Charge, if not, take Shed Exoskeleton.

At Lvl 20 take Hive-master for often trades, if it's for fast teamfights, take The Traitor King.

At Lvl 4 take Bed of Barbs against immobile cahracters.
Against Mobile characters, or if you wanna be more aggressive, take Underking if you're good at hitting Burrow Charge, if not, take Shed Exoskeleton.

At Lvl 13 take Burning Beetles for passive damage, and Acid Drenched Mandibles if you're confident basic attacking.

At lvl 20 take Hive Master for trading/survivability, and Rewind if you want to be able to enga-ge and de-engage or just knock up the enemy team constantly in a 10 second window.