New Champion Idea: Triops, the Guardian of the Giants

Hello everyone, so I had a new champion idea that I thought I could share here for you to tell me your opinions on. I imagine him as a stone giant with 3 heads, each of which expresses a different emotion (anger, sadness, and happiness). When it comes to lore, I guess he can be affiliated with , as for a backround story of them being enemies, allies or even brothers. Triops though would consist of a different type of stone and would look different as in color or something. Anyway, let's get in the subject, the abilities ( I wrote down the initial cooldown timers and damages, as for the scaling to be figured out by you guys or Rioters because I'm not a specialist):

ABILITIES

Passive : Vibe Essence > Triops’ Vibe changes depending on his health. His non ultimate spells have reduced cooldown as he loses health. • 100%: No reduction • Over 80%: 10% CDR (Happy face) • Between 30-80: 20 % CDR (Sad face) • Less than 30%: 30% CDR (Angry face) > Triops’ additional cooldown reduction is added, surpassing the maximum limit up to 70% cooldown reduction in total.

Q: Focused Energy > Triops slams the ground knocking one enemy up and stunning him for 1 second ,while pushing aside the others (70 magic damage to all). Focused Energy’s knockup priotirizes champions, among whom those who Triops hit recently with basic attack. (13 seconds cooldown) >

W: Fearful Escape > Triops taunts enemy champions facing him (max: 2 champions,3 champions in level 5) for 2 seconds, infictling Grievous Wounds to them while the taunt is active. (10 seconds cooldown) >

E: Giant Leap > Triops leaps a distance backwards, leaving a rumbling ground behind that explodes 1 second after dealing 120 magic damage. (11 seconds cooldown) >

R: Ancient embrace > Triops covers an ally creating a decoy of him that lasts 4 seconds, making him invisible and invulnerable to damage but also silencing him to basic attacks. In addition, surrounding enemies have their AD and AP reduced by 30% for the duration. (100 seconds cooldown) >

So I tried to come up with something unique but also not too broken to counter. What do you think? Any suggestions are welcome.