Drilltusk Tetsucabra are very close to normal Tetsucabra in appearance, but bear a few distinctions from them. A Drilltusk's horns are longer and more pointed, similar to how its tusks are much longer than a normal Tetsucabra's. It also possesses longer fangs, and one tusk is always longer than the other. Unlike normal ones, Drilltusk Tetsucabra have more blue markings and scales toward their anterior. Drilltusk Tetsucabra loves to go on rampages as well.
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- Drilltusk Tetsucabra's roar requires Earplugs to block.
- When it breaks a boulder, the blast can sometimes stun hunters. When the screen blurs upon the boulder breaking, this attack inflicts stun.
- Drilltusk Tetsucabra will attempt to jump on stunned hunters if it hits them with this attack.
- In G-Rank, Drilltusk Tetsucabra can suplex its boulders, which does serious damage, but leaves it vulnerable until it gets back up.