Does a failed spellcasting because of Counterspell still count as a trigger for Mage Slayer’s attack?

Invisisibility condition: can be detected automatically?

Does nondetection spell hide you from a monster’s Truesight?

Does a Lizardman monk or Barbarian have an AC of 13 plus Dex and Con/Wis modifiers?

Monk Unarmored Movement: 20th level 400′ or 60′ ?

The spell Animal Shapes says you can make beast that are not huge…