#source-PlayerHandbook A target with [[Three-Quarters Cover]] cover has a +5 bonus to [AC](https://www.dndbeyond.com/compendium/rules/basic-rules/step-by-step-characters#ArmorClass) and [[Dexterity]] saving throws. A target has three-quarters cover if about three-quarters of it is covered by an obstacle. The obstacle might be a portcullis, an arrow slit, or a thick tree trunk.