The gardener carrier stabbed its hand into the chest of the remaining D1 while he watered the D2's back. Then, without waiting for the watering-can to run out of energy, the D1's heart was tossed inside.
At the same time, Jun's group was throwing bone spears from a distance, which were blocked by the three-meter Destroyer's enormous body.
Bone spears were consumable items made from R0 Carrier's bones. Most of the Evolved Carrier's bones were used as materials for weapon forging and tool crafting. Even in fighting the hordes, they were only used as a form of pre-emptive attack to reduce enemy numbers while inflicting additional damage. It could only be used as a support tool and never as a primary weapon since there's a lot of more reliable choices out there.
Numerous low-quality bone spear landed on the D2's chest. Some split in half after hitting the D2's defined muscles while others got its sharp ends chipped and fell on the ground.