Well if it HAS been done a thousand times before, and never managed its way in the game, that's probably because Zanzarino doesn't like the idea... anyway here's a list of shields and the effects I would have them have.
![Entropy :entropy](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/entropy18x18.png)
Dissipation Shield: 0/N
Dissipation Shield's max hp are equal to twice the amount of entropy quanta you have.
![Death :death](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/death18x18.png)
Bone Wall:
Bone Wall transforms in an equal number of Skeletons when animated.
![Gravity :gravity](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/gravity18x18.png)
Gravity Shield: 0/10
Gravity Shield cannot be harmed by creatures with more than 5 hp.
![Earth :earth](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/earth18x18.png)
Titanium Shield: 0/40
![Life :life](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/life18x18.png)
Thorn Carapace: 0/10
Creatures that deal damage to Thorn Carapace have a 75% chance of being poisoned.
![Fire :fire](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/fire18x18.png)
Fire Shield: 7/1
![Water :water](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/water18x18.png)
Ice Shield: 0/10
![Water :water](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/water18x18.png)
: freeze
![Light :light](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/light18x18.png)
Reflective Shield: 0/10
Immaterial.
Hope: 0/N
Hope's hp are equal to four times the number of light emitting creatures you have in play. Immaterial.
![Air :air](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/air18x18.png)
Fog Shield: 0/10
Fog Shield has a 40% chance of being missed.
Wings: 0/10
Wings cannot be harmed unless by an airborne creature or by a ranged weapon.
![Time :time](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/time18x18.png)
Procrastination: 0/10
Creatures that damage Procrastination are delayed by 1 turn.
![Darkness :darkness](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/darkness18x18.png)
Dusk Mantle: 0/10
Dusk Mantle has a 50% chance of being missed.
![Aether :aether](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/aether18x18.png)
Dimensional Shield: 0/N
Dimensional Shield's hp are equal to the number of turns it will last. Dimensional Shield is immune to damage.
This is just a first idea, and will be subject to modifications. Probably in the shields' hp at least.