Board Thread:Special Events/@comment-25730832-20150427153822/@comment-122.152.131.50-20150430010251

24.231.12.209 wrote: If I don't have any Type 3 shells, are Type 91's fine? Cause I have five of those.

Type 3 shells does bonus damage against installation type bosses (e.g. boss of E-4 and E-5 this event, Hoppo in 3-5 etc.) Type 91 does more damage against heavy armour ships, they serve different purposes.