difficult terrain; rises 5ft per ring, and each ring up costs twice the one below (10, 20, 40 ft…) without a climbing speed — high ground gives advantage, and a taller hill blocks sight unless you stand above it
Example
This work includes material from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, available at https://www.dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/legalcode.
Tactforge is an independent project, compatible with fifth edition.