The Red Tearstone Ring is Even Stronger than you Thought!

I haven't seen much on this, as a lot of places list the red tearstone ring as giving you a 1.5x damage multiplier. That is not what it does. In actuality, it multiplies the Motion Value of your attack by 1.5, which results in more than a 50% damage increase. The difference is more pronounced at low attack ratings, but even a weapon with an AR of 300 will do around 65% more damage with it active.
For reference:
RTSR Multiplies the MV of your weapon by 1.5 (e.g., 100 to 150; 134 to 201), not your damage by 50%.
Power Within does multiply your damage by 1.4.
The Dragon Torso Stone Multiplies the MV of your weapons by 1.3 at +3, not your damage by 1.35%.
More testing to come for a longer video with less text, but I wanted to get this out there ASAP. Need to test out weapons buffs (resins, magic weapon, sunlight blade, etc.), spells MVs, and critical hit MVs.