https://youtu.be/rs2rk4KgCC4
with the help of the skill log and slow motion we can clearly see that these skills that are supposed to be seamlessly activated from crescent pendulum stance are causing the skill "awakening: crimson glaives of antiquity" to active first before activating the skills used. when using "deadly dance" from crescent pendulum stance a forward guard is activated before the skills super armor effect, and when the skill "phantom dance" is activated from crescent pendulum stance a super armor is activated before the skills iframe effect. the skill "awakening: crimson glaives of antiquity is listed to be a forward guard while switching, however no forward guard effect is applied when switching from crimson glaive stance to crescent pendulum stance.