[RPG] Can creatures be transported within Leomund’s Secret Chest

Answers:

1. The Blue Square and the Red Circle can use melee attacks against each other.
2. There is no attack penalty due to cover.
3. Both enemies can make Close Burst attacks against each other.
4. There are no attack penalties due to cover in this situation either

Assumption:

• The Red Circle and the Blue Square are adjacent (there squares touch on the mutual corner without obstruction.

Explanation:

Despite the other answers, there is no cover in this situation. Page 219 of the Rules Compendium^DDI tells us:

To determine if a target has cover, choose a corner of a square the attacker occupies, ... and trace imaginary lines from that corner to every corner of any one square that the target occupies. If one or two of those lines are blocked by an obstacle or an enemy, the target has partial cover. (A line isn't blocked if it runs along the edge of an obstacle's or an enemy's square.)

If you chose either of the leftward corners of the Red Circle's square, all four lines drawn to the Blue Square's square are not obstructed. Therefore, there is no cover.

While it is true that the definition of cover gives as an example of cover that the "target is around a corner", if you look at the illustration on page 219 of the Rules Compendium you will see that in that example, the target around the corner is 3 squares away. In this instance 1 line drawn from the attacker's square to the defenders is blocked and cover is achieved. (I've given a poor ASCII diagram which hopefully illustrates the point)

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A

By the rules, adjacent opponents do not receive cover due to a wall on a mutual corner.

If the two enemies are not adjacent, then cover is granted as per the other answers given.

No creature is immune to any kind of damage unless its stat block explicitly says it is.

You can think of psychic damage as interfering with a creature's "nervous system" or whatever magical thing it uses as an equivalent. Even mindless undead have some way of perceiving their environment and then manipulating the various parts of their body to get their body over to it and attack it; psychic damage is essentially high power feedback (like the really loud screech when you get a microphone next to its speaker) on these channels. If something would be better classified as a trap than as a creature, then it's probably immune to psychic damage.

Radiant damage isn't really light so much as it is divine power. It happens to look like light, but it's not; a laser or high-intensity infrared source would do fire damage. Radiant damage is like a flashlight that's been imbued with holy power to accomplish a specific task (namely, destroying some poor creature); the holy power only does what the ability says it does (damage), so powers that do radiant damage can't be used for other purposes unless blinking a bright flashlight briefly could accomplish those same purposes.

A brief discussion of the other damage types:

• acid: read up on how acids work for more, but basically it reacts with the target's physical substance and changes it into something else
• cold: removes (thermal) energy from the target
• fire: adds (thermal) energy to the target
• force: pushes on something without physically touching it (similar to, but not the same as, gravity & magnetism)
• lightning: adds electrons (lots of them) to the target
• necrotic: accelerates decay & the natural entropic breakdown of the target; some creatures might be immune to this if they can normally "live" for billions of years and they're made of something extremely stable, like gold (just because a golem's enchantment will last that long doesn't mean its physical form will)
• poison: causes undesirable chemical reactions inside the target
• thunder: compression wave in whatever medium the target is in; wouldn't work in a vacuum