Gaiaterra: Elysea's Conflict/Tier system

In The Warzone, advance infantry, vehicles, upgrades, and so on are locked behind a tier system, requiring the commander to invest resources to unlock their stronger armaments, though how is different per factions. Every faction has only 4 tiers and 3 tech levels. Each faction's headquarters initially set their alert status to Tier 0.

Tiering up
There are a total of three tiers each factions have and a different method each of them have to access advanced units, structures, or upgrades, depending on their type

In order get to the next tier, mainly Tier 2 and 3, the player must usually get to the 3-star and 5-star General's Promotion, however getting the next tier after getting the certain General's Promotion rank is depends on what faction is on, for example, Aquila would had to set their DEFCON levels to 2 and 1 that can be purchased on the Command Center, while Voshkod requires to build a Battle Lab to advance.

Tier 0
The first tier, usually known as Tier 0 and sometimes known as "Basic", consists of the basic units that can be constructed from production structures without the need of any other structures.

Some examples of these units are initial infantry (reconnaissance, basic, support and anti-armor), basic vehicles (reconnaissance, anti-infantry, armored car, anti-armor, infantry transport, anti-air, IFVs, light tanks and possibly MBTs), basic aircraft (light and transport VTOL craft/helicopters/rotorcraft, and standard multirole fighters), and basic vessels (patrol boats, frigates, destroyers, mini-subs and corvettes).

Tier 1
The second tier, usually known as Tier 1 or the first alert status level and sometimes known as "Standard", is started by the following list below. This tier grants access to advance infantry squads, vehicles, mainly tanks, and aircraft as well as sub faction-exclusive units.


 * The Federation of Aquila - Alert Status DEFCON 3
 * Socialist Union of Voshkod - Radar Dome

Tier 2
The third tier, usually known as Tier 2 or the second alert status level and sometimes known as "Intermediate", is unlocked by primarily economical buildings and a 3-star General's promotion. This tier unlocks heavier vehicles, mid-level aircraft, specialized infantry, sub-faction's hero units, and secondary economy structures, as well as the next tier of structures.


 * The Federation of Aquila - Alert Status DEFCON 2
 * Socialist Union of Voshkod - Battle Lab

Tier 3
The fourth tier, usually known as Tier 3 or the third alert status level and sometimes known as "Advanced", is unlocked by Tier 2 tech building and 5-star General's promotion. This tier consists of heavy/advanced artillery, heavy/advanced anti-air, heavy units meant to break any stalemates, superweapons, all other locked units, and most of all the sub-faction's Epic units.


 * The Federation of Aquila - Alert Status DEFCON 1
 * Brotherhood of Asmodia - Temple Prime