Can a 5th level ranger using Horde Breaker attack four times in a round?

Do characters with darkvision have disadvantage on perception in darkness?

After Haste ends, PHB says target can’t move or take actions. Does this include reactions?

Split enchantment and Twinned spell, can they be applied to the same spell?

I have a cleric wanting to do two weapon fighting…

Do you become non-hidden the second you pop out of cover to get Line of Sight on your attack?

Thoughts on legendary resists vs things like scrying out of combat?

Two handed applies during Crossbow attack?