Arch Druid's Staff of Wards

a mundane branch infused and engraved with the mystical magics of nature. in order to even wield such an item one must be gifted this staff from a druid. you can use this once a day

natural ward- you slam this staff into the ground causing a 10 ft radius circular ward around you, and it is 8 ft tall. you and your companions may exit and enter with no problems. but the ward cant be penetrated from either side of the ward. The ward has an AC of 14 and has 75 hit points starting or ending your turn in the ward gives you a +1 to AC and blesses you. depending on the terrain the ward is activated on, gives it additional features. the features last as long as the ward does or until the ward breaks, which is 1 minute. 

grasslands-starting/ending your turn in the ward increases your movement by 10 and you are unaffected by rough terrain. 

forests- when you start/end your turn in the ward you are healed 2d4+2

arctic/tundra-the ward deals 15 cold damage when hit and gives everyone 2d6 temporary hit points

coasts-starting/ending your turn in the ward gives you a swim speed of 40ft and you can breathe underwater. any attacks made with advantage and hit in water deals max damage.

desert-starting/ending your turn in the ward grants your weapons with magical fire dealing an extra 1d6 fire damage and any target that attacks and misses takes 4 fire damage. 

mountains-starting/ending your turn in the ward grants you resistance to non magical bludgeoning, slashing and piercing damage. and gives you an over all AC increase of +3

swamps-starting/ending your turn in the ward grants you the ability to walk on water, and immunity to poison and the poisoned condition.

underdark-starting/ending your turn in the ward grants you dark vision,+2 to damage with ranged weapons and advantage on all perception checks made.

Notes: you must be gifted this item from a druid in order to attune to it.