The Ultimate Calliope Build Guide: Mastering the "Devil’s Sisters" In They Are Billions ,
By default, Calliope relies on "The Devil's Sisters" dual pistols. She has incredibly fast rapid-fire capabilities but suffers heavily against higher-tier infected like Harpies, Spitters, and Chubby variants due to her low health pool and short attack reach.
In the They Are Billions campaign, hero progression relies on obtaining Empire Points and choosing the right upgrade paths. Focus your victory points on the following priority tracks for Calliope: 1. Attack Speed Upgrades (Highest Priority) they are billions calliope build new
Aim to reach +1 or +2 bonus attack range as quickly as possible. 2. Second Priority: Attack Damage ( Aim )
Failure point: Many builds skip the early Quarry. Calliope does not. Without stone, you cannot upgrade to Cottages, and your income stalls before Day 4. The Ultimate Calliope Build Guide: Mastering the "Devil’s
This build requires a greedy early game to support a greedy late-game army. Do not attempt this on 100% difficulty runs until you have mastered kiting.
Calliope stood at the lip, hands tucked into a coat patched with scavenged circuit boards and faded propaganda. She was not its original name; the machines of the Before had given her a song and the survivors a nickname: Calliope, because she played the last instruments of civilization—memory, code, and the stubborn rhythm of construction. Focus your victory points on the following priority
Since you only get 9 total points across the tactical missions, you must prioritize stats that let you clear rooms without taking damage.
At the very start of the campaign, you are given a crucial choice between two heroes: the tanky Caelus or the swift Calliope. As a "New Empire Top Agent," Calliope is entrusted with the critical task of recovering humanity's lost technology. She wields a pair of fast-firing pistols called The Devil's Sisters , which define her hit-and-run style. However, this firepower comes at the cost of low individual shot damage and, most critically, very low health, making her a true "glass cannon" who must remain in constant motion to survive.
If too many infected begin rushing your position, stop firing and use her high movement speed to retreat to secured territory. Mission Deployment Blueprint