My 5e Monster Repository (a modest collection)
Spoiler: 5e Quick, ad-hoc numbersTask DCs — Simple: 8 | Normal: 13 | Challenging: 18 | Formidable: 23
Monsters (1 v. 1) — AC: 12 + level/2 | HP: 10 × level | To-Hit: 2 + level/2 | DPR: 4 × level
Solos (v. 4 PCs) — +2 to AC & To-Hit | HP: 5 × level | DPR: 10 × levelMonster treasure — CR2 × tier gp