No. You don’t need to be within line of sight or within range to maintain concentration on a spell, unless a spell’s description or other game feature says otherwise.
Does dissonant whispers require line of sight?
You don’t have to see your target unless the target as defined by the spell is one “that you can see.” Dissonant Whispers does not require line of sight. A clear path to the target is line of effect. This is an important distinction when it comes to blinded casters or invisible targets.
How does the barrel affect the spell area?
Pardon my poor images, the barrel is the caster, gray area is spell effect. If you use half squares to make it more symmetrical then your are getting much more coverage, you go from 6 squares being affected to 9. Also going by the DMG where it says if an effect covers at least half a square it affects that square.
Can a calling spell transport a creature to another plane?
A calling spell transports a creature from another plane to the plane you are on. The spell grants the creature the one-time ability to return to its plane of origin, although the spell may limit the circumstances under which this is possible.
How many squares are affected by spell effect?
If you use half squares to make it more symmetrical then your are getting much more coverage, you go from 6 squares being affected to 9. Also going by the DMG where it says if an effect covers at least half a square it affects that square.
How to spell area effects on Dungeon Masters only?
The third edition dmg came with templates. Templates are the easy way to handle it. It’s also possible to attempt to eyeball it. Essentially it gets the first square, then the next three squares (half squares on both sides of one complete square) then it should be the next three squares, then five squares, then seven… Etc.)
