Soul Gems

are an Equipment series introduced in Yo-kai Watch 2.

Soul Gems are the transformed state of Yo-kai Medals, performed by the Grand Monk at the Temple of Virtue with the use of Soulcery. The process of Soul Gem creation will result in the loss of that Medal.

Usage
When held, Soul Gems will perform various purposes, depending on the Yo-kai Medal the Soul Gem came from: they can raise specific or all stats, reflect damage, restore the Soul Meter/HP of either adjacent allies or the holder, increase the rate of critical attacks, increase elemental damage/resistance, recover HP while inspirited,

Soul Gems can be increased in strength by fusing with other Soul Gems, though they are divided by 4 different power categories:, , , and.

Others
{| class="roundy" style="text-align:center; background-color: #EE1026; border: 1px solid #9c58a8; margin: 1em auto 1em auto;" width="80%" ! style="width:1%;" | Rank ! style="width:1%;"| Image ! style="width:20%;"| Name ! style="width:5%;" | Attribute ! style="width:15%;" | Soul Gem Power and/or Strength
 * style="text-align:center;"| Rank D icon.PNG
 * style="text-align:center; background-color: #fff; "| none.PNG
 * style="background-color: #fff;"|Tublappa
 * style="background-color: #fff;"|Lightning
 * style="background-color: #fff;"|Heals HP while Inspirited
 * style="text-align:center;"| Rank C icon.PNG
 * style="text-align:center; background-color: #fff; "| Merameraion YW1-002.png
 * style="background-color: #fff;"|Blazion
 * style="background-color: #fff;"|Fire
 * style="background-color: #fff;"|Raises Attack power after ally faints (Small)
 * style="text-align:center;"| Rank B icon.PNG
 * style="text-align:center; background-color: #fff; "| Guraguraion YW2-005.png
 * style="background-color: #fff;"|Quaken
 * style="background-color: #fff;"|Earth
 * style="background-color: #fff;"|Raises Attack power after ally faints (Small)
 * style="text-align:center;"| Rank C icon.PNG
 * style="text-align:center; background-color: #fff; "| Benkei YW2-006.png
 * style="background-color: #fff;"|Benkei
 * style="background-color: #fff;"|Ice
 * style="background-color: #fff;"|Raises Attack power after defeating enemy (Small)
 * style="text-align:center;"| Rank B icon.PNG
 * style="text-align:center; background-color: #fff; "| Karakuri Benkei YW2-004.png
 * style="background-color: #fff;"|B3-NK1
 * style="background-color: #fff;"|Lightning
 * style="background-color: #fff;"|Raises Attack power after defeating enemy (Small)
 * style="text-align:center;"| Rank B icon.PNG
 * style="text-align:center; background-color: #fff; "| Karakuri Benkei YW2-004.png
 * style="background-color: #fff;"|B3-NK1
 * style="background-color: #fff;"|Lightning
 * style="background-color: #fff;"|Raises Attack power after defeating enemy (Small)

Trivia

 * Certain Soul Gems emulate certain Skills, such as:
 * Soul Gems who heal allies after the holder faints work in the same manner as the Skill Blessed Body.