Can I beat XCOM 2 WOTC using only grenades, but each one has 100 charges?

Episode 20 of my XCOM challenge run series. My attempt at an XCOM 2 WOTC challenge/gimmick run, using only grenades to inflict damage.

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Music
Messiah by Handel:    • Händel Messiah - Hallelujah Chorus  
This Is Not A Christmas Song by NEFFEX:    • NEFFEX - This Is Not A Christmas Song 🎄🔥 [...  
What Can Never Be by The Tunnel:    • NEFFEX - This Is Not A Christmas Song 🎄🔥 [...  
Dark Fantasy Studio tracks can be found at http://darkfantasystudio.com/albums/

Carol Of The Bells and Joy To The World by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...
Artist: http://audionautix.com/

Dance of the Sugar Plum Fairies by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...
Source: http://incompetech.com/music/royalty-...
Artist: http://incompetech.com/

Download the XCOM 2 TDB Community Character Pool: https://drive.google.com/file/d/1SGBb...

XCOM 2 Challenge Run Playlist:    • Can I beat XCOM 2 WOTC using only SPARKs???  

Regular Mod List:
[WotC] Revival Protocol Fixes
[WOTC] New Promotion Screen by Default
Evac All - WotC
X2WOTCCommunityHighlander v1.24.0
Defense Matrix Sabotage Fix
[WOTC] Cost-Based Ability Colors
[WotC] Instant Loot
[WOTC] SPARK Repair Fix
Dont Unequip
[WOTC] Commander Avatar Restoration
Stop Wasting My Time - WotC
Reward Decks Refresher
[WotC] Mod Config Menu
Missing Packages Fix + Resource
[WotC] Gotcha Again
[WotC] Numeric Health Display
[WOTC] Detailed Soldier Lists
[WOTC] Less Overwatch Lock Ups!
[WOTC] Extended Personnel Info
Insider Knowledge Fix
(WOTC) Starting Soldiers
[WOTC] Alien Hunters Community Highlander v1.24.0
[WOTC] Faster Reload Animations
(WOTC) Zip Mode Combat Protocol Camera Fix
[WOTC] No Enemy Intro
Immersive Strategy Layer
Hush Little Chosen
Narrative Control
Missing Packages Fix - Parcels and Maps Edition