# Vitruvius-class Crossbeams

**Entity Type:** Skill

## Properties

| Field | Value |
|-------|-------|
| Category | Military |
| Type | Discovery |
| Knowledge Cost | 180,000 |

## Description

Vitruvius-class Crossbeams is a Military skill that improves the stats of all Scorpion engines. Named after the famous Roman architect and engineer Marcus Vitruvius Pollio, this skill enhances the crossbeam construction of scorpion artillery, resulting in improved attack range and firing speed.

## Effects

Grants Effect: **Scorpiones**

| Stat | Bonus |
|------|-------|
| Attack range | +15% |
| Attack speed | +10% |

## Unlock Requirements

This is a Discovery-type skill, which makes up the majority of skills in the Anno 117 skill tree. To research it, you must first reach it via a research path. Some discoveries require additional conditions to unlock, such as housing a specific population type in Albion.

## Related Skills

Other skills in the Military category:

- Aegis Research
- Aux In, Aux Out
- Axe-Bearers
- Balearic Ballistics
- Perilous Ports
- Encampment Errands
- Carpe Civitas
- Cover positions
- Multi-task Menders
- Equicurrian Chariots
- Featherweight Frames
- Sturdy Construction
- Plated Hulls
- Rammed Earth
- Dominion Research
- Here Come The Cavalry
- Imperial Measures
- Camp Campaigning
- Cataphractarii
- Co-ordinated Volleys
- Legatic Research
- Legionaries
- Legionic Research
- Manipular Manouvres
- Manor Invictus
- Nautical Research
- Ordine Research
- Parabolics
- Parmae
- Rain Of Pain
- Praetorians
- Bargain Palisades
- Pro Domo
- Provisinal Castra
- Repair Cranes
- Armousmithing
- Shipwright Studies
- Shipboard Scorpiones
- Protective Entourage
- Catapult Carriers
- Navarchal Research
- Scorpiones
- Spathas
- Brick By Brick
- Another Brick In The Wall
- Stone Walls
- Slingers
- Chariots
- Sword and Sald
- Tuatha De Danann
- Tower Ballistae
- Tower Contiguity
- Valetudinaria
- Cautious Greeting
- Tacking
- Target Practice

## Source

- [anno.land - Vitruvius-class Crossbeams](https://anno.land/en/anno-117-skills/quertraeger-der-vitruvius-art/)