Constitution ability check or Constitution Saving Throw?

@JeremyECrawford When would I ask a player to make a Constitution ability check, that isn't more appropriately a Constitution Saving Throw? — Arcknight (@ArcknightGames) August 24, 2016 See page 237 in the DMG. It gives suggestions for different types of ability checks, including Con. checks. #DnD https://t.co/QIdxCSSAGS — Jeremy Crawford (@JeremyECrawford) August 24, 2016

Lunging Attack + Sentinel, monster moves around PC in a 10ft, do attack of opportunity happens?

@JeremyECrawford Player has Lunging Attack and Sentinel. Monster moves around Player in a 10ft radius during Player's Turn. Do AOO happens? — Stefano (@elerital) February 17, 2016 The fighter's Lunging Attack increases the reach of a single attack. #DnD https://t.co/2NZy5zNRvG — Jeremy Crawford (@JeremyECrawford) February 18, 2016 @Daeva001 In other words, the trigger for the […]

Slow spell, do you need to have line of sight on creatures to affect them?

@JeremyECrawford Hello! Question about Slow spell. Do you need to have line of sight on creatures to affect them? Description doesnt specify — Philipp Mordashev (@PhilMordeshev) November 14, 2016 A spell tells you if you must see its targets. The slow spell doesn't say you need to see them. #DnD https://t.co/eoRDoJANpP — Jeremy Crawford (@JeremyECrawford) […]

Lucky Feat, The second use on the enemy attacks roll, which one of these statement are true?

@JeremyECrawford #DnD Lucky Feat, The second use on the enemy attacks roll, which one of these statement are true?(A and B)Thanks in advance pic.twitter.com/bH0ciItOFi — Peter Korntved (@PKorntved) October 25, 2016 Both of these examples are valid uses of the Lucky feat … #DnD https://t.co/lpIVuty2BL — Jeremy Crawford (@JeremyECrawford) October 25, 2016

Perception vs Investigation, more detailed answer?

@ChrisPerkinsDnD @JeremyECrawford Frequent "?" seen is Percep vs Invest. PlayerGuide/SageAdvice unclear to many. More detailed answer? >140 — James Moon (@jamesmoon80) July 27, 2016 Perception: used to notice something with your senses. Investigation: used to deduce something. #DnD https://t.co/7yzG3SW40v — Jeremy Crawford (@JeremyECrawford) August 2, 2016 @JeremyECrawford @bedirthan So when you're trying to deduce something […]