Catapult — Wiki · Kings By Dawn

Role and stats #

General siege damage; ×3 vs Walls, ×0.25 vs troops. These are base stats before researched bonuses.

Role: General siege damage; ×3 vs Walls, ×0.25 vs troops
Branch: Siege
Recruit at: Siege Workshop level 16
Cost per unit: 1,283 Food, 960 Wood, 766 Metal
Base training: 30m
Health / Armor / Damage: 350 / 15 / 100
Counters: ×3 versus walls, ×0.25 versus troops
Armor ignored: 0%
PvP cargo capacity: 150

Recruitment unlock: Torsion Engineering: University level 16, 75,600 Crystals, 42h 40m. Siege Workshop details.

Training at each facility level #

One batch is active per facility; additional batches wait in order. Times below are per unit, before active VIP; lower facility levels cannot recruit this unit.

Catapult training times, before VIP
Facility level	Time per unit	Change from base
16	21m	−30%
17	20m 24s	−32%
18	19m 48s	−34%
19	19m 12s	−36%
20	18m 36s	−38%
21	18m	−40%
22	17m 24s	−42%
23	16m 48s	−44%
24	16m 12s	−46%
25	15m 36s	−48%

Every research upgrade #

Each rank gives another 5% to its own stat; ranks I–V total +25% per stat. Research is account-wide, permanent, and completes offline.

Catapult individual research projects
Upgrade	Stat	Rank bonus	Resulting Regular stat	University	Extra facility gate	Crystal cost	Time	Prerequisite
Health I	Health	+5% total	367.5	16	None	150	30m	Torsion Engineering
Health II	Health	+10% total	385	16	None	700	2h	Torsion Engineering, Health I
Health III	Health	+15% total	402.5	16	None	2,550	4h 30m	Torsion Engineering, Health II, Veteran
Health IV	Health	+20% total	420	18	None	7,750	8h	Torsion Engineering, Health III
Health V	Health	+25% total	437.5	25	None	20,600	12h 30m	Torsion Engineering, Health IV, Elite
Armor I	Armor	+5% total	15.75	16	None	150	30m	Torsion Engineering
Armor II	Armor	+10% total	16.5	16	None	700	2h	Torsion Engineering, Armor I
Armor III	Armor	+15% total	17.25	16	None	2,550	4h 30m	Torsion Engineering, Armor II, Veteran
Armor IV	Armor	+20% total	18	18	None	7,750	8h	Torsion Engineering, Armor III
Armor V	Armor	+25% total	18.75	25	None	20,600	12h 30m	Torsion Engineering, Armor IV, Elite
Damage I	Damage	+5% total	105	16	None	150	30m	Torsion Engineering
Damage II	Damage	+10% total	110	16	None	700	2h	Torsion Engineering, Damage I
Damage III	Damage	+15% total	115	16	None	2,550	4h 30m	Torsion Engineering, Damage II, Veteran
Damage IV	Damage	+20% total	120	18	None	7,750	8h	Torsion Engineering, Damage III
Damage V	Damage	+25% total	125	25	None	20,600	12h 30m	Torsion Engineering, Damage IV, Elite

Veteran and Elite improvements #

Research the rank, then convert existing stationed units in their recruiting building. Conversion costs below are per unit, in addition to the one-time Crystal research cost. Veteran adds +20% base Armor and Damage; Elite adds +40%. Health is unaffected by equipment.

Catapult equipment unlocks and conversion costs
Conversion	Facility level	Rank research	University	Research Crystals	Research time	Research prerequisites	Conversion cost / unit
Regular → Veteran	10	Veteran	16	700	2h	Health II, Armor II, Damage II	3,009 Metal, 642 Food
Veteran → Elite	18	Elite	18	7,750	8h	Health IV, Armor IV, Damage IV, Veteran	4,514 Metal, 963 Food

Catapult Regular, Veteran, and Elite stats
Equipment	Stat research	Health	Armor	Damage
Regular	No stat research	350	15	100
Regular	All three stat tracks rank V	437.5	18.75	125
Veteran	No stat research	350	18	120
Veteran	All three stat tracks rank V	437.5	21.75	145
Elite	No stat research	350	21	140
Elite	All three stat tracks rank V	437.5	24.75	165

Catapult improvement times before active VIP
Facility level	Regular → Veteran / unit	Veteran → Elite / unit
10	12m 18s	Requires level 18
11	12m	Requires level 18
12	11m 42s	Requires level 18
13	11m 24s	Requires level 18
14	11m 6s	Requires level 18
15	10m 48s	Requires level 18
16	10m 30s	Requires level 18
17	10m 12s	Requires level 18
18	9m 54s	14m 51s
19	9m 36s	14m 24s
20	9m 18s	13m 57s
21	9m	13m 30s
22	8m 42s	13m 3s
23	8m 24s	12m 36s
24	8m 6s	12m 9s
25	7m 48s	11m 42s

Learn the system #

Planning an army? Add Catapult to the Army Planner to total costs, training time and cargo for a whole force.

Rules reference. Values come from the game rules at revision 999310651f (snapshot e5f090b681, checked 5 October 2026). Base values exclude conditional bonuses such as VIP and active monuments. Numbers can change between playtest updates.