Interaction between line of sight, enemy reach and opportunity attacks
43781
Do characters provoke opportunity attack when they leave another character's reach who is not facing them?
26902
Can a hidden attacker shoot around the corner?
37168
Shooting many bullets toward the mouse position
123245
Breakout Collision: Detecting the side of collision
58421
Cards entering the battlefield simultaneously and "Enter the Battlefield" effects
40391
Are there any rules relevant to involuntary movement and effects other than Opportunity Attacks?
37996
Can the Help action be used to give advantage to a specific ally's attack (rather than just the next ally who attacks the target)?
55645
How many times can I benefit from Advantage if I attack multiple times while not seen?
6687
When you cast invisibility on your turn, and walk away from 2 enemies, do they get an attack of opportunity?
131024
Are dexterity saving throws based on sight?
48710
Is the 5-foot range of the Help action my range to the ally, the enemy, or both?
2346
Predicting Enemy Movement
40408
Are there any rules for adjudicating a ranged attack fired at a target engaged in melee combat with an ally?
105695
Connecting Player and Rope classes in a rope-swinging game
108327
Move into nonhostile space attack and move
87711
Does initiative change in combat?
142621
Can I circle around an opponent and avoid opportunity attacks?