Terminus Firefight
From Halopedia, the Halo wiki
| “ | In addition to the Banished campaign, Halo Wars 2: Awakening the Nightmare introduces a brand new cooperative experience to the Firefight family. In Terminus Firefight, up to three players amass armies to defend both their bases, and their Forerunner terminus node against an ever-increasing and intensifying hoard of attacking enemies.
Battle against UNSC, Banished, and voracious Flood forces while fighting for survival. With the ability to construct new defense measurements such as spike floors and barricades alongside classic Halo Wars gameplay features like base-building, tech trees, and Leader power usage, Terminus Firefight adds an entirely new tower defense-style twist to the beloved wave-based Halo mode.[1] |
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Terminus Firefight is a cooperative gametype introduced in the Awakening the Nightmare expansion for Halo Wars 2. The mode is similar to the Firefight wave defence modes of prior Halo FPS titles, in which the player must build both bases and armies to defend and survive against an onslaught of enemy forces.[1] Unlike the similar Blitz Firefight mode also featured in Halo Wars 2, Terminus Firefight is centred around more traditional Halo Wars real-time strategy gameplay as opposed to card deck-building.
Overview[edit]
In Terminus Firefight, 1-3 players are tasked to defend against an ever-increasing and intensifying horde of attackers. Unlike the existing Blitz Firefight mode in Halo Wars 2, Terminus Firefight focuses on gameplay similar to traditional Halo Wars; base-building, economy management, research, leader powers, and tech trees are all present in the game just as they are in conventional skirmish multiplayer. The health and damage output of enemies in Terminus Firefight adjusted based on the number of players in the game, making it more challenging with a full roster.
Players start with a single Tier-2 Combat Station or Stronghold (depending on chosen faction) with five building slots available, 
600, 
400, and a few basic infantry squads (2 Marines, 3 Grunts, or 5 Cannon Fodder for UNSC, Banished, and Yapyap players, respectively).
Map and features[edit]
Terminus Firefight can only be played on the map The Last Bastion, which features a unique building at its centre: the Forerunner Terminus. The map consists of multiple paths that converge at this centre point (though if played with fewer players, some paths are locked off), with the players' base build sites located there too. The paths extending out from the centre of the map have construction points for various fortifications unique to Terminus Firefight, giving the mode some similarities to tower defence games. The Terminus building itself provides a healing aura to player units near it, giving them a much-needed boost in defensive scenarios.
Minibase construction sites can be found around the map further away from the Terminus and can be claimed by the player, allowing them to expand their economy. Claiming a minibase provides the player who owns it 
10 population, a score multiplier, and the ability to construct turrets. More minibases will increase the pop count and score multiplier. There are nine total minibases on the map, three for each player. 1-slot minibases can be found next to the Terminus; 2-slot minibases further away, and 3-slot minibases on the outskirts of the map near enemy spawn points.
The paths leading to the Terminus feature fortification building slots unique to the mode. These fortifications consist of barricades and traps that help player armies delay the onslaught of enemy units. If a fortification is constructed, enemy units will attempt to pathfind around it and take an unobstructed path to the Terminus; should all paths be blocked, they will attack and destroy fortifications. Fortifications include:
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