Completion grant Where to Use It

So u Got the Completion Grant Now U want to know what to do with it. .

It Depends on What u Want FIRst Lets mE Tell U How Much u Are gonna need to get what Kind Of troops

1 Completion Grant :
With Only 1 completion Grant You Can Make FangTooths OR Banshees
And What Else Do You Need

For Fangtooths
The Water Dragon Outpost
Rapid deployment (Research) Level 8
clavoirance (research) level 4
Metalsmith (building) level 7
Factory (building) Level 7
Training Camp (in water Dragon outpost) Level 10 ( uses the completion Grant)

For Banshees
the Wind Dragon Outpost
Aerial Combat (Research) Level 3
Levitation (Reasearch) Level 9
Rapid Deployement (Research) Level 9
Training Camp (in Wind Dragon Outpost) Level 10 (Uses The Completion Gratn)

2 Completion Grants :
So You have 2 Completion grant You can Make the MOst POwerfull Troops yet The Lava jaws And the Fire Mirrors  (lava jaws preferred)

For The Lava Jaws
The Fire Dragon Outpost
Rapid deployment (Research) level 9
clavoirance (Research) Level 5
Weapon Callaibration (Research) Level 10
this research needs Science centre to be Level 10 (Uses the Completion grant)
Metalsmith (building) level 8
Training Camp (in Fire Dragon Outpost) Level 10 (uses the Completion Grant)

5 Completion grants:
With 5 completion grants u can make the strongest Defending Troops Called The Granite Ogres

For  Granite Ogres
The Stone dragon Outpost
clavoirance (Research) Level 5
Masonary (research) Level 10
to get masonary to Level 10 u Need to get your Quarry to level 10 (Uses the competion Grant)
Mettalurgy (Research) Level 10 (Needs 3 completion grants)
this means your science centre must be at level 10 (Uses the completion grant) And your Metalsmith Should be at level 10 for that u need Alloys (Research) Level 10 And for alloys u need your mine to be at Level 10 (Uses The Completion Grant)
Training Camp (in the Stone draon Outpost) Level 10 ( uses The Completion Grant)