The Tazal Terminals are filled with mechanical enemies. You'll encounter Scumbags, small, fast-moving robots that can overwhelm you in numbers. Area-of-effect Secret Skills or wide-swinging melee weapons are effective against them. You'll also face Turrets, stationary enemies that fire projectiles. Use cover or dodge roll to close the distance and destroy them quickly.
The environment itself can be hazardous, with moving platforms and electrical hazards. Time your movements carefully. Consider equipping a weapon like the Musket if you prefer long-range precision, or the Fire Bellows for close-range crowd control. Make sure your weapons are upgraded at the Arsenal before proceeding to the boss.